Question 1

All-in-One Heating Solution

Accepted Answer

Combines power generation, heat collection, and heat delivery in a single compact unit.

Question 2

Automatic Operation

Accepted Answer

Adjusts automatically to your set temperature, no manual intervention or external power needed.

Question 3

Space-Saving Design

Accepted Answer

Simple plug-and-play installation, fits anywhere without extra setup.

Question 4

Eco-Friendly & Cost-Effective

Accepted Answer

Reduces energy bills while supporting a sustainable lifestyle.

Question 5

Residential Heating

Accepted Answer

Single-family homes, apartments, holiday cabins.

Question 6

Sustainable Smart Homes

Accepted Answer

Plug-and-play heating without electricity.

Question 7

Eco-Friendly Heating

Accepted Answer

Reduces carbon footprint while delivering consistent warmth.

Question 8

Centralized Solar Heating for Saga County Town in Shigatse City
                    
                        2019
                        Shigatse, Tibet
                        107,000 m²
                    
                    EFPC115 large flat-plate collectors provide heating coverage for 107,000 m², replacing traditional coal and yak dung heating. Reduces coal consumption by 2,424 tons annually.
                    
                        World's first high-altitude solar centralized heating
                        First full-chain turnkey solar heating project
                        Tibet's first large-scale solar heating

Get Quote

View Details

Tianjin School TPV Pro+ Heat Pump Project
                        
                            2024
                            Tianjin
                            3,000 m²
                        
                        TPV Pro+ heat pump system meets students' heating needs while generating on-site electricity.

Get Quote

View Details

APEC Summit Hotel Hot Water System
                        
                            2014
                            Beijing
                            50 tons/day
                        
                        Supplies hot water for APEC Summit hotel. Saves 150,000 kWh annually, reduces CO2 by 74 tons.

Get Quote

View Details

Florida Resort Villa Hot Water Project
                        
                            2022
                            Florida, USA
                            200L/day
                        
                        Flat-plate water heaters provide 200L daily hot water for each resort villa.

Get Quote

View Details

Harz Church Hot Water Project
                        
                            2021
                            Germany
                            22 tons/day
                        
                        Engineering-grade collectors in series/parallel configuration provide reliable hot water supply.

Get Quote

View Details

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.projects-showcase {
    padding: 70px 0;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
}

.container {
    max-width: 1480px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #3b82f6;
    margin-bottom: 12px;
}

.section-title {
    font-size: 44px;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 16px;
    line-height: 1.2;
}

.title-highlight {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: 17px;
    line-height: 1.6;
    color: #64748b;
}

.projects-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: stretch;
}

/* Featured Project */
.project-featured {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.project-featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-featured:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    transform: translateY(-5px);
}

.project-featured:hover::before {
    opacity: 1;
}

.featured-image {
    position: relative;
    height: 300px;
    overflow: hidden;
    flex-shrink: 0;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-featured:hover .featured-image img {
    transform: scale(1.06);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    padding: 6px 16px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 20px;
}

.featured-content {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.featured-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 16px;
    line-height: 1.3;
}

.meta-tags {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e8e8e8;
}

.meta-tags span {
    font-size: 12px;
    font-weight: 600;
    color: #64748b;
    padding: 4px 12px;
    background: linear-gradient(135deg, #e0f2fe, #bae6fd);
    border-radius: 12px;
    border: 1px solid #7dd3fc;
}

.featured-content p {
    font-size: 15px;
    line-height: 1.7;
    color: #64748b;
    margin-bottom: 20px;
}

.achievements-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
}

.achievement {
    font-size: 13px;
    color: #1e293b;
    padding: 10px 14px;
    background: linear-gradient(135deg, #e0f2fe, #bae6fd);
    border-left: 3px solid #3b82f6;
    border-radius: 4px;
    font-weight: 500;
    line-height: 1.5;
}

.featured-actions {
    display: flex;
    gap: 10px;
    margin-top: auto;
}

.btn-primary, .btn-secondary {
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    justify-content: center;
}

.btn-primary svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover svg {
    transform: translateX(2px);
}

.btn-secondary {
    background: transparent;
    color: #64748b;
    padding: 10px 16px;
    border: 1px solid #cbd5e1;
}

.btn-secondary:hover {
    background: #f8fafc;
    color: #475569;
    border-color: #94a3b8;
}

/* Small Button Variant for Cards */
.btn-small {
    font-size: 0.75rem;
    padding: 8px 12px;
}

.btn-small svg {
    width: 14px;
    height: 14px;
}

/* Right Side Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 24px;
    height: 100%;
}

.project-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
}

.project-card:hover::before {
    opacity: 1;
}

.card-image {
    height: 160px;
    overflow: hidden;
    flex-shrink: 0;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .card-image img {
    transform: scale(1.08);
}

.card-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-content h4 {
    font-size: 17px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 12px;
    line-height: 1.4;
}

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.card-meta span {
    font-size: 11px;
    font-weight: 600;
    color: #64748b;
    padding: 3px 10px;
    background: linear-gradient(135deg, #e0f2fe, #bae6fd);
    border-radius: 10px;
    border: 1px solid #7dd3fc;
}

.card-content p {
    font-size: 14px;
    line-height: 1.6;
    color: #64748b;
    margin-bottom: 16px;
    flex: 1;
}

/* Card Actions */
.card-actions {
    display: flex;
    gap: 8px;
    margin-top: auto;
}

.card-actions .btn-primary,
.card-actions .btn-secondary {
    flex: 1;
}

@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }
    
    .section-title {
        font-size: 38px;
    }
    
    .projects-layout {
        gap: 28px;
    }
    
    .featured-image {
        height: 260px;
    }
    
    .card-image {
        height: 140px;
    }
}

@media (max-width: 1024px) {
    .projects-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto;
        gap: 20px;
    }
    
    .featured-image {
        height: 300px;
    }
    
    .card-image {
        height: 180px;
    }
}

@media (max-width: 768px) {
    .projects-showcase {
        padding: 60px 0;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .section-description {
        font-size: 16px;
    }
    
    .featured-image {
        height: 240px;
    }
    
    .featured-content {
        padding: 24px;
    }
    
    .featured-content h3 {
        font-size: 21px;
    }
    
    .card-content h4 {
        font-size: 16px;
    }
    
    .featured-actions {
        flex-direction: column;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .card-actions {
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .card-image {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 28px;
    }
    
    .featured-image {
        height: 220px;
    }
    
    .featured-content h3 {
        font-size: 19px;
    }
}

.certifications-section {
      width: 100%;
      background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      padding: 80px 0;
      position: relative;
      overflow: hidden;
    }

.certifications-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, #e2e8f0 50%, transparent);
    }

.certifications-container {
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 40px;
    }

/* Section Header */
    .certifications-header {
      text-align: center;
      margin-bottom: 60px;
    }

.certifications-label {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 2px;
      color: #3b82f6;
      margin-bottom: 15px;
      padding: 8px 20px;
      background: rgba(59, 130, 246, 0.1);
      border-radius: 25px;
      border: 1px solid rgba(59, 130, 246, 0.2);
    }

.certifications-title {
      font-size: 44px;
      font-weight: 800;
      color: #1e293b;
      margin: 0 0 20px 0;
      line-height: 1.2;
    }

.certifications-title .highlight {
      background: linear-gradient(135deg, #3b82f6, #2563eb);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

.certifications-description {
      font-size: 17px;
      line-height: 1.7;
      color: #64748b;
      max-width: 900px;
      margin: 0 auto;
    }

/* Tabs Navigation */
    .cert-tabs {
      display: flex;
      justify-content: center;
      gap: 12px;
      margin-bottom: 50px;
      flex-wrap: wrap;
    }

.cert-tab {
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 600;
      color: #64748b;
      background: white;
      border: 2px solid #e2e8f0;
      border-radius: 50px;
      cursor: pointer;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

.cert-tab::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
      transition: left 0.5s ease;
    }

.cert-tab:hover {
      border-color: #3b82f6;
      color: #3b82f6;
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
    }

.cert-tab:hover::before {
      left: 100%;
    }

.cert-tab.active {
      background: linear-gradient(135deg, #3b82f6, #2563eb);
      color: white;
      border-color: #3b82f6;
      box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
    }

/* Tab Content */
    .cert-tab-content {
      display: none;
      animation: fadeIn 0.5s ease;
    }

.cert-tab-content.active {
      display: block;
    }

@keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

/* Certificates Grid - 4 columns */
    .certificates-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 25px;
      margin-bottom: 40px;
    }

.certificate-card {
      background: white;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
      transition: all 0.4s ease;
      cursor: pointer;
      position: relative;
    }

.certificate-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, #3b82f6, #2563eb);
      transform: scaleX(0);
      transition: transform 0.4s ease;
    }

.certificate-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 12px 40px rgba(59, 130, 246, 0.2);
    }

.certificate-card:hover::before {
      transform: scaleX(1);
    }

.certificate-image {
      width: 100%;
      height: 280px;
      overflow: hidden;
      background: #f1f5f9;
      position: relative;
    }

.certificate-image img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      padding: 15px;
      transition: transform 0.5s ease;
    }

.certificate-card:hover .certificate-image img {
      transform: scale(1.08);
    }

.certificate-badge {
      position: absolute;
      top: 12px;
      right: 12px;
      background: linear-gradient(135deg, #3b82f6, #2563eb);
      color: white;
      padding: 5px 12px;
      border-radius: 20px;
      font-size: 10px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    }

.certificate-info {
      padding: 20px;
    }

.certificate-name {
      font-size: 16px;
      font-weight: 700;
      color: #1e293b;
      margin: 0 0 6px 0;
      line-height: 1.4;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

.certificate-type {
      font-size: 13px;
      color: #64748b;
      margin: 0;
    }

/* Lightbox Modal */
    .lightbox-modal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.95);
      z-index: 10000;
      justify-content: center;
      align-items: center;
      padding: 40px;
      animation: lightboxFadeIn 0.3s ease;
    }

.lightbox-modal.active {
      display: flex;
    }

@keyframes lightboxFadeIn {
      from {
        opacity: 0;
      }
      to {
        opacity: 1;
      }
    }

.lightbox-content {
      position: relative;
      max-width: 95%;
      max-height: 95%;
      display: flex;
      justify-content: center;
      align-items: center;
      animation: zoomIn 0.4s ease;
    }

@keyframes zoomIn {
      from {
        transform: scale(0.8);
        opacity: 0;
      }
      to {
        transform: scale(1);
        opacity: 1;
      }
    }

.lightbox-content img {
      max-width: 100%;
      max-height: 90vh;
      width: auto;
      height: auto;
      object-fit: contain;
      border-radius: 8px;
      box-shadow: 0 20px 80px rgba(0, 0, 0, 0.5);
    }

.lightbox-close {
      position: fixed;
      top: 30px;
      right: 30px;
      width: 50px;
      height: 50px;
      background: rgba(255, 255, 255, 0.95);
      border: none;
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s ease;
      z-index: 10001;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }

.lightbox-close:hover {
      background: white;
      transform: rotate(90deg) scale(1.1);
    }

.lightbox-close svg {
      width: 24px;
      height: 24px;
      stroke: #1e293b;
      stroke-width: 2.5;
    }

.lightbox-info {
      position: fixed;
      bottom: 30px;
      left: 50%;
      transform: translateX(-50%);
      background: rgba(255, 255, 255, 0.95);
      padding: 12px 24px;
      border-radius: 30px;
      font-size: 14px;
      color: #1e293b;
      font-weight: 600;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
      backdrop-filter: blur(10px);
    }

/* Responsive Design */
    @media (max-width: 1200px) {
      .certificates-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
      }

.certificate-image {
        height: 260px;
      }
    }

@media (max-width: 992px) {
      .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }

.certificate-image {
        height: 280px;
      }
    }

@media (max-width: 768px) {
      .certifications-section {
        padding: 60px 0;
      }

.certifications-container {
        padding: 0 20px;
      }

.certifications-title {
        font-size: 36px;
      }

.certifications-description {
        font-size: 16px;
      }

.cert-tabs {
        gap: 8px;
      }

.cert-tab {
        padding: 10px 20px;
        font-size: 14px;
      }

.certificate-image {
        height: 240px;
      }

.lightbox-modal {
        padding: 20px;
      }

.lightbox-close {
        top: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
      }

.lightbox-info {
        bottom: 20px;
        font-size: 13px;
        padding: 10px 20px;
      }
    }

@media (max-width: 576px) {
      .certificates-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

.certificate-image {
        height: 300px;
      }

.certifications-title {
        font-size: 28px;
      }

.lightbox-content img {
        max-height: 80vh;
      }
    }

International Standards
      
        Global Certifications & Quality Assurance

SOLETK Solar products are certified to meet international quality and safety standards, including Solar Keymark, CE, and ISO. Below are the individual certificates for each product, demonstrating SOLETK Solar's commitment to reliability, performance, and compliance.

All Certificates
      ISO Certifications
      Solar Keymark
      Product Certificates

Test Report

Test Report Certificate

Accepted Answer

Quality Assurance Report

Question 9

Solar Keymark Certification

Accepted Answer

European Quality Standard

Question 10

ISO 9001 Quality Management

Accepted Answer

International Organization for Standardization

Question 11

ISO 14001 Environmental Management

Accepted Answer

International Organization for Standardization

Question 12

ISO 45001 Occupational Health & Safety

Accepted Answer

International Organization for Standardization

Question 13

Air Solar Collector

Accepted Answer

Product Certification

Question 14

Flat Plate Solar Collector

Accepted Answer

Product Certification

Question 15

PVT Solar System

Accepted Answer

Product Certification

Question 16

Solar Keymark Certification

Accepted Answer

European Quality Standard

Question 17

Solar Water Heater

Accepted Answer

Product Certification

Question 18

Vacuum Tube Solar Collector

Accepted Answer

Product Certification

Question 19

ISO 9001 Quality Management

Accepted Answer

International Organization for Standardization

Question 20

ISO 14001 Environmental Management

Accepted Answer

International Organization for Standardization

Question 21

ISO 45001 Occupational Health & Safety

Accepted Answer

International Organization for Standardization

Question 22

Solar Keymark Certification

Accepted Answer

European Quality Standard

Question 23

Solar Keymark Certification

Accepted Answer

European Quality Standard

Question 24

Air Solar Collector

Accepted Answer

Product Certification

Question 25

Flat Plate Solar Collector

Accepted Answer

Product Certification

Question 26

PVT Solar System

Accepted Answer

Product Certification

Question 27

Solar Water Heater

Accepted Answer

Product Certification

Question 28

Vacuum Tube Solar Collector

Accepted Answer

Product Certification

Question 29

Solar Integration

Accepted Answer

Advanced flat-plate collector technology maximizing energy efficiency

Question 30

117+ Patents

Accepted Answer

Cutting-edge innovation portfolio protecting proprietary technologies

Question 31

Research Partners

Accepted Answer

Strategic collaboration with leading institutions worldwide

사양서	ATPC200
Dimensions (L×W×H mm)	2000×1000×80
Aperture Area (m²)	1.87
PV Cavity Size (mm)	300×1000×80
Static Pressure	100 Pa
Air Volume	150 m³/h
Interface Size	Φ115/Φ125
Frame Color	Black

ATPC Solar Air Collector Smart, Compact & Power-Free

ATPC Solar Air Collector

All-in-One Heating Solution

Automatic Operation

Space-Saving Design

Eco-Friendly & Cost-Effective

Product Overview

기술 사양

적용 분야

Residential Heating

Sustainable Smart Homes

Eco-Friendly Heating

글로벌 태양 에너지 우수성

사가현 시가지 중앙 태양열 난방

톈진 학교 TPV Pro+ 히트펌프 프로젝트

APEC 정상회담 호텔 온수 시스템

플로리다 리조트 빌라 온수 프로젝트

하르츠 교회 온수 프로젝트

글로벌 인증서 및 품질 보증

시험 보고서 인증서

솔라 키마크 인증

ISO 9001 품질 경영

ISO 14001 환경 경영

ISO 45001 산업 안전 및 보건

공기 태양광 집열기

평판 태양광 집열기

PVT 태양광 시스템

솔라 키마크 인증

태양열 온수기

진공관 태양광 집열기

ISO 9001 품질 경영

ISO 14001 환경 경영

ISO 45001 산업 안전 및 보건

솔라 키마크 인증

솔라 키마크 인증

공기 태양광 집열기

평판 태양광 집열기

PVT 태양광 시스템

태양열 온수기

진공관 태양광 집열기

미래를 이끄는 청정 에너지

우리의 핵심 강점

태양광 통합

117개 이상 특허

연구 파트너

SOLETKS – 글로벌 고객을 위한 최고의 선택

함께 연결하기

ATPC Solar Air Collector
Smart, Compact & Power-Free