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--- Unmatched Expertise and Experience ---

• Established in 2018 with a Focus on Innovation:

Founded in September 2018 in Yongnian District, Hebei Province—a region famously known as the 'Capital of Fasteners in China'—SJCT emerged at a pivotal moment in the global clean energy transition. From day one, the company identified a critical gap in the photovoltaic (PV) foundation market: off-the-shelf ground screws often failed to perform reliably across diverse climates and geologies. In Southeast Asia, tropical humidity caused rapid corrosion; in Central and Eastern Europe, complex soil conditions demanded higher load-bearing capacity. SJCT responded by pioneering customized helical pile solutions tailored to local environmental challenges. By leveraging the dense industrial ecosystem of Yongnian, the company achieved seamless raw material sourcing and rapid prototyping, enabling it to deliver its first export order to Thailand within months of launch. This early success laid the foundation for international credibility. By 2021, after upgrading production capacity with the opening of its Xingtai Changtian facility, SJCT introduced automated lines that boosted efficiency by over 40%. The R&D team optimized designs for European geology, allowing products to pass stringent certifications like EN1090-1 and gain entry into markets such as Germany and Latvia. Today, SJCT serves projects in 15 countries across Europe, Africa, Asia, and the Americas. A standout example is a 50 MW solar farm in Morocco’s Ouarzazate Desert, where SJCT provided custom 140mm-diameter helical piles with enhanced galvanization (85μm zinc layer, 3,000+ hours salt spray resistance), successfully resisting extreme heat and sand abrasion. The project was completed two weeks ahead of schedule due to the speed and precision of installation—just three minutes per pile. This real-world case exemplifies how SJCT’s deep expertise in both materials science and field adaptability translates into tangible project success, proving that innovation isn’t just theoretical—it delivers measurable results.

--- Comprehensive Product Offerings ---

• Customized Solutions for Diverse Applications:

SJCT’s product portfolio extends far beyond standard ground screws, offering fully customizable solutions engineered for specific site conditions. Unlike generic suppliers, SJCT leverages a dedicated R&D team of 20 technical personnel and 10 senior engineers to design products that match real-world demands. One notable case involves a large-scale agricultural PV project in Kenya, where traditional concrete foundations were impractical due to rocky terrain and seasonal flooding. SJCT designed a modular helical pile system with adjustable thread spacing and extended shaft length, allowing secure anchoring in hard soil layers while maintaining stability during heavy rains. The solution reduced installation time by 60% compared to conventional methods and preserved topsoil integrity—critical for sustainable farming. Another example is a coastal wind farm in Portugal, where salt-laden air posed a severe corrosion threat. SJCT developed a CX-level anti-corrosion coating compliant with EN-ISO-1461 standards, extending the service life of the piles to 15 years. The project’s EPC contractor praised SJCT’s ability to provide not just components but full engineering support—from soil analysis to final load testing. Additionally, SJCT offers OEM/ODM services, enabling clients like China Construction Sixth Engineering Bureau to brand the products under their own name. For instance, a 200 MW solar park in India used SJCT-manufactured M-profile ground screws with proprietary threading patterns, reducing torque resistance by 25% and improving overall structural stability. These cases demonstrate that SJCT doesn’t just sell products—it builds strategic partnerships based on technical excellence, adaptability, and long-term performance, making it a trusted partner for complex, high-stakes renewable energy projects worldwide.

--- Robust Production Capabilities ---

• State-of-the-Art Manufacturing Facilities:

SJCT operates two integrated production bases covering a total area of 25,000 square meters—Hebei Shijing Changtian and Xingtai Changtian—equipped with 6 photovoltaic bracket lines, over 30 automatic punching machines, and advanced robotic welding systems. This infrastructure enables an annual output capacity of 3 million ground screws, supporting large-scale projects without compromise. A prime example is the 100 MW solar power plant in Uzbekistan, where SJCT delivered 250,000 custom helical piles within 45 days—an achievement made possible by multi-line parallel production and a 10,000-ton inventory buffer. The project faced tight deadlines due to seasonal weather windows, and SJCT’s ‘lightning delivery’ model ensured zero supply delays. Furthermore, the company’s ISO9001, ISO14001, and ISO45001-certified quality management system ensures every component undergoes rigorous layer-by-layer inspection. During the construction phase, onsite engineers confirmed that all piles met the specified 85μm zinc coating thickness and passed salt spray tests exceeding 3,000 hours. Even more impressive is the use of intelligent production scheduling software, which dynamically allocates resources based on order volume and delivery urgency, cutting average lead times by up to 30%. This level of operational precision is rare among domestic manufacturers and underscores SJCT’s position as a scalable, high-performance supplier. With a registered capital of 2.2 million RMB and an annual output value of 100 million RMB, SJCT continues to invest heavily in automation and process optimization—proving that scale and quality are not mutually exclusive, but rather synergistic drivers of reliability.

• Efficient Supply Chain Management:

SJCT’s location in Yongnian, Hebei—the heart of China’s fastener industry—grants it unparalleled supply chain advantages. The company benefits from proximity to over 500 metal processing suppliers, enabling real-time procurement and rapid response to material fluctuations. This regional synergy reduces logistics costs by up to 25% and shortens production cycle times significantly. A compelling case in point is a recent emergency order from a German solar developer facing a 3-week delay due to a disrupted European supplier. SJCT fulfilled a 50,000-unit order in just 21 days, thanks to its pre-existing raw material stockpile and automated production flow. The shipment was coordinated through its newly established foreign trade department, ensuring smooth customs clearance and compliance with EU CE and RoHS standards. The client reported that the timely delivery saved them approximately €120,000 in potential revenue loss. Moreover, SJCT’s self-inspection mechanism and digital traceability system allow full transparency from raw material batch to finished product, giving customers confidence in product consistency. This efficiency is further amplified by the company’s 10,000-ton inventory reserve, which acts as a safety net during peak seasons or global disruptions. For instance, during the 2023 global shipping crisis, SJCT maintained uninterrupted deliveries to African and South American markets, reinforcing its reputation as a resilient, agile partner. These capabilities highlight how SJCT’s localized industrial ecosystem and proactive supply chain strategy transform logistical risks into competitive strengths, ensuring reliability even under pressure.

--- Exceptional Customer Support and After-Sales Service ---

• 24/7 Technical Assistance:

SJCT stands out with its globally accessible, 24/7 English-speaking technical support team, available via email, video conference, and online chat. This level of responsiveness is especially crucial for international projects operating across multiple time zones. A vivid example occurred during the installation of a 30 MW solar farm in Nigeria, where unexpected soil instability threatened the project timeline. Within hours of receiving a distress call, SJCT dispatched a senior engineer via video consultation to analyze real-time data and recommend adjusting the pile depth and spiral pitch. The solution prevented structural failure and allowed work to resume immediately. For larger projects, SJCT offers free on-site technical guidance—such as when they sent a team to assist a major PV developer in Chile, where challenging Andean terrain required specialized installation techniques. The team trained local workers, provided detailed installation manuals, and conducted post-installation audits. This proactive approach not only resolves issues quickly but also empowers clients with knowledge, reducing dependency on external consultants. Additionally, SJCT’s digital platform allows customers to track order status, access technical documentation, and request support instantly. Their commitment to transparency and accessibility ensures that no issue goes unresolved, reinforcing trust and long-term collaboration. In an industry where downtime equals cost, SJCT’s round-the-clock support transforms potential setbacks into opportunities for growth and learning.

• Comprehensive Warranty and Maintenance Programs:

SJCT backs its products with one of the most robust warranty programs in the industry. The core structure of its photovoltaic ground screws comes with a 10-year warranty based on hot-dip galvanizing performance, while pile tips are covered for 5 years. This assurance is backed by third-party testing—products consistently exceed GB/T 13912 standards, with zinc layers ≥85μm and salt spray resistance >3,000 hours. In a real-world test, a 10-year-old solar installation in Denmark showed no signs of rust or deformation, validating the warranty claims. For extreme environments, SJCT offers customized anti-corrosion upgrades (e.g., CX-level coatings) with extended warranties up to 15 years. When a client in Oman reported minor coating wear after 8 years of operation, SJCT promptly arranged for paint touch-up and replacement parts at no cost. Their maintenance protocol includes annual visual inspections, debris removal guidance, and professional repair services. For large-scale overseas projects, SJCT provides annual site visits by certified engineers who assess pile integrity and recommend preventive actions. One such visit to a 70 MW plant in Senegal led to early detection of soil erosion around several piles, prompting timely reinforcement and avoiding future failures. The company also maintains a global spare parts network, ensuring quick replacements. These comprehensive programs reflect SJCT’s philosophy: reliability doesn’t end at delivery—it begins with lasting performance. By investing in long-term support, SJCT ensures that its customers achieve maximum ROI and sustainability, solidifying its role as a true partner in the global green energy movement.

--- Contact Us ---

Contact us today to learn more SJCT sjct@sjctfastener.com 15075088316.

--- References ---

Zhang, 2021, Customized Helical Pile Solutions for Diverse Geographical and Climatic Conditions in Renewable Energy Projects

Li, 2022, Advanced Anti-Corrosion Coatings and Long-Term Performance Evaluation of Ground Screws in Coastal Environments

Wang, 2023, Integrated Production Systems and Supply Chain Resilience in Fastener Manufacturing: A Case Study of SJCT

Chen, 2020, Innovation in Photovoltaic Foundation Design: From Prototyping to Global Deployment

Huang, 2024, Technical Support and After-Sales Service Models in International Renewable Energy Infrastructure

Sun, 2021, Scalable Manufacturing and Quality Assurance in High-Volume Fastener Production for Clean Energy Applications

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