Question 1

Material Selection

Accepted Answer

Premium raw materials

Question 2

Manufacturing

Accepted Answer

Precision engineering

Question 3

These certifications demonstrate our commitment to:

Consistent product quality through advanced manufacturing and testing.

Compliance with international safety and performance requirements.

Sustainable production and environmental protection practices.

Solar Keymark
                        
                    TÜV Certification
                        
                    ISO 9001
                        
                    ISO 14001
                        
                    ISO 45001
                        
                    Test Report
        
            Certified Products
                    
                    Vacuum Tube Collector
                    
                    Flat Plate Collector
                    
                    Solar Water Heater
                    
                    PVT System

With rigorous quality control and precision engineering, SOLETKS delivers high-performance, durable, and trustworthy solar solutions trusted by global customers.

.cert-section {
        width: 100%;
        background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
        padding: 80px 20px;
        font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    }
    .cert-container {
        max-width: 1300px;
        margin: 0 auto;
    }
    /* Header */
    .cert-header {
        text-align: center;
        margin-bottom: 50px;
        animation: fadeInUp 0.8s ease;
    }
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }
    .cert-label {
        display: inline-block;
        padding: 8px 24px;
        background: rgba(255, 165, 0, 0.1);
        border: 1px solid rgba(255, 165, 0, 0.3);
        border-radius: 30px;
        color: #FFA500;
        font-size: 11px;
        font-weight: 700;
        letter-spacing: 2.5px;
        text-transform: uppercase;
        margin-bottom: 20px;
    }
    .cert-heading {
        font-size: 48px;
        font-weight: 800;
        color: #1e293b;
        margin-bottom: 20px;
        letter-spacing: -1.5px;
        line-height: 1.1;
    }
    .cert-intro {
        font-size: 18px;
        color: #475569;
        max-width: 900px;
        margin: 0 auto;
        line-height: 1.7;
    }
    /* Info Box */
    .cert-info-box {
        background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
        border: 2px solid #FFA500;
        border-radius: 20px;
        padding: 30px 40px;
        margin-bottom: 50px;
        animation: fadeInUp 0.8s ease 0.2s both;
    }
    .cert-info-text {
        font-size: 17px;
        color: #1e293b;
        text-align: center;
        line-height: 1.8;
    }
    .cert-info-text strong {
        color: #FFA500;
        font-weight: 700;
    }
    /* Commitment Section */
    .cert-commitment {
        margin-bottom: 60px;
        animation: fadeInUp 0.8s ease 0.3s both;
    }
    .cert-commitment-title {
        font-size: 24px;
        font-weight: 700;
        color: #1e293b;
        text-align: center;
        margin-bottom: 30px;
    }
    .cert-points {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        max-width: 1100px;
        margin: 0 auto;
    }
    .cert-point {
        display: flex;
        align-items: flex-start;
        gap: 15px;
        padding: 25px;
        background: white;
        border: 1px solid #e2e8f0;
        border-radius: 16px;
        transition: all 0.3s ease;
    }
    .cert-point:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 30px rgba(255, 165, 0, 0.15);
        border-color: #FFA500;
    }
    .cert-point-icon {
        flex-shrink: 0;
        width: 40px;
        height: 40px;
        background: linear-gradient(135deg, #FFA500, #ff8c00);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
    }
    .cert-point-text {
        font-size: 16px;
        color: #475569;
        line-height: 1.6;
        margin: 0;
    }
    /* Certificates Gallery - 一行排开 */
    .cert-gallery-wrapper {
        margin-bottom: 60px;
        animation: fadeInUp 0.8s ease 0.4s both;
        overflow: hidden;
    }
    .cert-gallery {
        display: flex;
        gap: 20px;
        overflow-x: auto;
        padding: 20px 0;
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: #FFA500 #f1f5f9;
    }
    .cert-gallery::-webkit-scrollbar {
        height: 8px;
    }
    .cert-gallery::-webkit-scrollbar-track {
        background: #f1f5f9;
        border-radius: 10px;
    }
    .cert-gallery::-webkit-scrollbar-thumb {
        background: #FFA500;
        border-radius: 10px;
    }
    .cert-gallery::-webkit-scrollbar-thumb:hover {
        background: #ff8c00;
    }
    .cert-card {
        flex: 0 0 220px;
        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;
    }
    .cert-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 40px rgba(255, 165, 0, 0.25);
    }
    .cert-image-wrapper {
        position: relative;
        width: 100%;
        padding-top: 141.4%; /* A4 ratio */
        overflow: hidden;
        background: #f1f5f9;
    }
    .cert-image {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
    }
    .cert-card:hover .cert-image {
        transform: scale(1.08);
    }
    .cert-card-title {
        padding: 15px;
        text-align: center;
        font-size: 14px;
        font-weight: 700;
        color: #1e293b;
    }
    /* Products Section */
    .cert-products {
        margin-bottom: 60px;
        animation: fadeInUp 0.8s ease 0.5s both;
    }
    .cert-products-title {
        font-size: 28px;
        font-weight: 700;
        color: #1e293b;
        text-align: center;
        margin-bottom: 40px;
    }
    .cert-products-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 30px;
    }
    .cert-product-card {
        background: white;
        border-radius: 16px;
        overflow: hidden;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        transition: all 0.3s ease;
    }
    .cert-product-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 12px 35px rgba(255, 165, 0, 0.2);
    }
    .cert-product-image {
        width: 100%;
        height: 250px;
        object-fit: cover;
    }
    .cert-product-name {
        padding: 20px;
        text-align: center;
        font-size: 16px;
        font-weight: 600;
        color: #1e293b;
    }
    /* Closing Statement */
    .cert-closing {
        text-align: center;
        animation: fadeInUp 0.8s ease 0.6s both;
    }
    .cert-closing-text {
        font-size: 18px;
        color: #475569;
        max-width: 900px;
        margin: 0 auto;
        line-height: 1.8;
    }
    .cert-closing-text strong {
        color: #FFA500;
        font-weight: 700;
    }
    /* Lightbox Modal */
    .cert-lightbox {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 9999;
        animation: fadeIn 0.3s ease;
    }
    .cert-lightbox.active {
        display: block;
    }
    .cert-lightbox-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.95);
    }
    .cert-lightbox-content {
        position: relative;
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 80px 20px 120px;
    }
    .cert-lightbox-close {
        position: absolute;
        top: 30px;
        right: 30px;
        width: 50px;
        height: 50px;
        background: rgba(255, 255, 255, 0.1);
        border: 2px solid rgba(255, 255, 255, 0.3);
        border-radius: 50%;
        color: white;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
        z-index: 10;
    }
    .cert-lightbox-close:hover {
        background: rgba(255, 165, 0, 0.9);
        border-color: #FFA500;
        transform: rotate(90deg);
    }
    .cert-lightbox-nav {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 60px;
        height: 60px;
        background: rgba(255, 255, 255, 0.1);
        border: 2px solid rgba(255, 255, 255, 0.3);
        border-radius: 50%;
        color: white;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
        z-index: 10;
    }
    .cert-lightbox-nav:hover {
        background: rgba(255, 165, 0, 0.9);
        border-color: #FFA500;
        transform: translateY(-50%) scale(1.1);
    }
    .cert-lightbox-prev {
        left: 30px;
    }
    .cert-lightbox-next {
        right: 30px;
    }
    .cert-lightbox-image-wrapper {
        max-width: 90%;
        max-height: 85vh;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .cert-lightbox-image {
        max-width: 100%;
        max-height: 85vh;
        object-fit: contain;
        border-radius: 8px;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    }
    .cert-lightbox-title {
        position: absolute;
        bottom: 60px;
        left: 50%;
        transform: translateX(-50%);
        color: white;
        font-size: 20px;
        font-weight: 600;
        text-align: center;
        padding: 15px 30px;
        background: rgba(0, 0, 0, 0.7);
        border-radius: 30px;
        backdrop-filter: blur(10px);
    }
    .cert-lightbox-counter {
        position: absolute;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        color: white;
        font-size: 14px;
        font-weight: 500;
        padding: 8px 20px;
        background: rgba(255, 165, 0, 0.8);
        border-radius: 20px;
    }
    /* 响应式设计 */
    @media (max-width: 768px) {
        .cert-heading {
            font-size: 32px;
        }
        .cert-intro {
            font-size: 16px;
        }
        .cert-card {
            flex: 0 0 180px;
        }
        .cert-lightbox-nav {
            width: 45px;
            height: 45px;
        }
        .cert-lightbox-prev {
            left: 15px;
        }
        .cert-lightbox-next {
            right: 15px;
        }
        .cert-lightbox-close {
            top: 15px;
            right: 15px;
            width: 40px;
            height: 40px;
        }
        .cert-products-grid {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }
    }

QUALITY EXCELLENCE
            Key Quality Metrics
            
                Our comprehensive 6-step quality assurance process ensures every SOLETKS solar system meets the highest standards of performance, safety, and reliability.

01

Procurement

Accepted Answer

SOLETKS sources materials and components from certified global suppliers. Every solar panel, inverter, and cable undergoes strict quality screening to ensure reliability and long service life.

Question 4

Design

Accepted Answer

Our engineering team combines advanced photovoltaic technology with intelligent system design. Each solution is precisely calculated for optimal energy yield, safety, and visual harmony with the environment.

Question 5

Manufacturing

Accepted Answer

All key components, including PV modules, frames, and junction boxes, are produced using advanced automation and precision assembly lines to ensure consistency and durability.

Question 6

System Integration

Accepted Answer

Each solar system is carefully configured to match electrical standards and performance requirements. Components are tested for seamless compatibility and maximum efficiency.

Question 7

Inspection & Testing

Accepted Answer

Before shipment, systems undergo comprehensive testing, including electrical performance, insulation resistance, temperature cycling, and weather simulation to guarantee long-term stability.

Question 8

Packaging & Delivery

Accepted Answer

After final quality checks, products are cleaned, safely packaged in shock-resistant materials, and shipped in export-standard crates to ensure damage-free delivery worldwide.

Question 9

Complete Quality Process Flow

Procurement

Design

Manufacturing

Integration

Testing

Delivery

Our Quality Commitment

Accepted Answer

Every SOLETKS solar system is backed by rigorous quality control at every stage. We don't just meet industry standards—we exceed them, ensuring your investment delivers reliable, sustainable energy for decades to come.

Question 10

Production Line

Accepted Answer

Advanced Manufacturing

Question 11

Final Inspection

Accepted Answer

Excellence Guaranteed

Quality Assurance

At SOLETKS, quality is the foundation of every solar system we build.

Material Selection

Proizvodnja

Nadzor kakovosti

Performance Testing

Our Valued Certifications

These certifications demonstrate our commitment to:

Certified Products

Key Quality Metrics

Procurement

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Proizvodnja

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Nadzor kakovosti

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