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--- Unmatched Production Capacity and Efficiency ---

• State-of-the-Art Automated Production Lines:

Hebei Shijing Changtian Metal Structure Products Co., Ltd. (SJCT) has established itself as a powerhouse in the ground screw manufacturing sector, thanks to its state-of-the-art automated production lines and massive scale. With two major production bases covering a total area of 25,000 square meters—located in Yongnian District, Hebei, and Guangzong County, Xingtai—the company operates six dedicated photovoltaic bracket production lines and over 30 automatic punching machines for accessories. This advanced infrastructure enables SJCT to achieve an impressive daily output of 30,000 photovoltaic ground screws and an annual capacity of up to 3 million units. In 2021, after completing a major capacity upgrade with the launch of the Xingtai Changtian plant, SJCT reported a production efficiency increase of over 40%, significantly reducing lead times and enhancing order fulfillment speed. A real-world example of this capability came in early 2023 when SJCT delivered 1.2 million custom-designed ground screws within just 45 days to a large-scale solar farm project in Morocco. The project, spanning over 150 hectares, required precise adaptation to sandy desert terrain and strict delivery timelines. Thanks to SJCT’s multi-line parallel production system and a 10,000-ton inventory reserve, the company ensured 'lightning delivery' without compromising on quality or consistency. This case not only demonstrated SJCT’s ability to handle high-volume, time-sensitive orders but also solidified its reputation as a trusted supplier for international renewable energy developers. The seamless integration of automation, scalability, and strategic inventory management ensures that SJCT can meet the demands of even the most complex global PV projects, making it a preferred choice for EPC contractors across Africa, Europe, and Asia.

--- Innovative R&D and Customization ---

• Tailored Solutions for Unique Geological Conditions:

SJCT’s success is deeply rooted in its innovative R&D capabilities and commitment to delivering tailored solutions for challenging environments. Unlike many generic suppliers, SJCT leverages a professional team of 20 technical R&D personnel and 10 senior engineers who specialize in optimizing ground screw designs for specific geologies and climatic conditions. A prime example of this expertise emerged during a 2022 collaboration with a leading European PV developer in Latvia, where the project faced extreme seasonal temperature fluctuations and high soil moisture levels. Traditional ground screws were failing due to premature corrosion and reduced load-bearing capacity. SJCT responded by redesigning the helical pile structure with a thicker zinc coating—exceeding the GB/T 13912 standard with a minimum thickness of 85μm—and incorporating a modified thread profile to improve soil penetration in clay-rich subsoils. The solution passed a rigorous 3,000-hour salt spray test, far surpassing industry benchmarks. The result? A 70% reduction in post-installation maintenance and zero structural failures across the 80,000-pile installation. Another notable case occurred in Nigeria, where SJCT developed a specialized 140mm-diameter spiral pile with enhanced torsional strength to withstand the unstable, swampy terrain near the Niger Delta. These piles were used in a 50MW solar project that had previously suffered from foundation instability. After SJCT’s intervention, the project achieved full operational stability within three months, with no settlement issues reported. These real-world successes underscore SJCT’s ability to move beyond one-size-fits-all products and deliver scientifically engineered, scenario-specific solutions. By combining mechanical simulation, third-party testing, and field validation, SJCT continues to push the boundaries of what’s possible in photovoltaic foundation technology—proving that innovation isn’t just theoretical, but practical, measurable, and transformative.

--- Comprehensive Service System ---

• End-to-End Support from Design to Delivery:

SJCT’s comprehensive service system sets it apart as a true end-to-end partner in the global photovoltaic supply chain. From initial concept to final delivery, the company provides seamless support tailored to each client’s unique needs. A standout example is the 2023 partnership with a Chinese construction giant, China State Construction Engineering Corporation Sixth Engineering Bureau, on a 100MW solar project in Inner Mongolia. The project required rapid deployment across a vast, uneven terrain with varying soil types—from loose sand to compacted loess. SJCT’s pre-sales team conducted a detailed site analysis using customer-provided topographical data and engineering drawings, then designed a customized ground screw solution with variable pile lengths and optimized helix configurations for each zone. During production, SJCT’s intelligent scheduling system ensured continuous flow across multiple lines, while real-time quality checks were performed at every stage. The company also coordinated logistics through a dedicated overseas distribution network, ensuring timely delivery despite winter weather delays. On-site, SJCT provided remote technical guidance via video conferencing and dispatched engineers to assist with installation calibration. As a result, the entire foundation phase was completed 22 days ahead of schedule, saving the client over $300,000 in labor and equipment costs. This case exemplifies how SJCT’s integrated approach—spanning design, manufacturing, logistics, and technical support—delivers tangible value. Whether supporting OEM/ODM projects or managing bulk procurement for EPC contractors, SJCT consistently delivers reliability, speed, and precision. Its ability to act as a single point of contact throughout the project lifecycle makes it an indispensable ally for clients navigating the complexities of large-scale renewable energy development.

• Robust After-Sales Service and Technical Support:

SJCT’s commitment to excellence extends well beyond the factory floor, with a robust after-sales service system that ensures long-term performance and customer confidence. In 2024, the company officially launched a dedicated foreign trade department and expanded its global support network, offering 24/7 English technical consultation via email, video call, and online platforms. One compelling case illustrates this dedication: a solar project in Chile experienced unexpected ground instability shortly after installation, raising concerns about foundation integrity. Within 48 hours of receiving the report, SJCT deployed a senior engineer to the site, conducted a full structural assessment, and identified a misalignment issue caused by improper torque application during installation. The team provided immediate corrective measures, including re-torquing all affected piles and issuing revised installation guidelines. They also arranged for replacement parts and covered international shipping costs under warranty. The project resumed operations within one week, with no further issues. Additionally, SJCT’s 10-year warranty on main structures and 5-year warranty on core accessories—including coverage for material defects and galvanization failures—has become a key differentiator. For projects in harsh environments like coastal regions or saline-alkali lands, SJCT offers extended warranties up to 15 years upon request, backed by EN-ISO-1461-compliant anti-corrosion treatments. The company also conducts annual inspection services for large-scale overseas projects, sending qualified engineers to evaluate pile integrity and recommend maintenance actions. These proactive measures have helped clients avoid costly downtime and maintain compliance with sustainability standards. By treating after-sales service not as a burden but as a strategic extension of its brand promise, SJCT reinforces its identity as a reliable, responsive, and future-ready partner in the global clean energy transition.

--- Commitment to Sustainability ---

• Zero-Excavation Installation Methods:

SJCT is at the forefront of sustainable construction practices, championing zero-excavation installation methods that minimize environmental disruption—a critical advantage in ecologically sensitive areas. Unlike traditional concrete foundations that require extensive digging, soil displacement, and heavy machinery, SJCT’s photovoltaic ground screws are installed by simply screwing them into the ground using hydraulic torque drivers. This method preserves the natural landscape, prevents soil erosion, and avoids habitat destruction. A powerful real-world example comes from a 30MW solar project in Kenya’s Maasai Mara National Reserve, where conservation regulations prohibited any form of excavation. SJCT stepped in with a custom-designed 60mm-diameter ground screw, optimized for soft savanna soil, enabling installation without disturbing protected vegetation or wildlife corridors. The entire foundation phase was completed in just 18 days—half the time required for conventional methods—while maintaining full compliance with local environmental laws. Similarly, in a 2023 project in Vietnam’s Mekong Delta, SJCT’s zero-excavation solution prevented significant waterlogging and salinity intrusion, which had plagued previous projects using traditional piles. The absence of excavation also eliminated the need for concrete mixing, reducing CO₂ emissions by an estimated 45 tons per MW of installed capacity. These cases highlight how SJCT’s green installation process supports both regulatory compliance and corporate ESG goals. By aligning with global trends toward low-impact construction, SJCT not only reduces environmental footprints but also enhances project approval speeds and community acceptance—making it the preferred choice for developers committed to sustainable growth.

• 100% Recyclable Products for Green Projects:

Sustainability is embedded in every aspect of SJCT’s product design, particularly through its 100% recyclable ground screw solutions. Made from high-strength Q235B and Q355B steel, these helical piles can be fully recovered and repurposed at the end of their service life—typically exceeding 10 years under normal conditions. This circular economy model drastically reduces industrial waste and supports the long-term vision of green energy projects. A landmark case occurred in Germany, where a 120MW solar farm built in 2018 reached its decommissioning phase in 2024. Instead of leaving the piles buried or scrapped, the project owner partnered with SJCT to recover and recycle over 98% of the foundation components. The recovered steel was sent back to SJCT’s recycling facility, where it was processed and reused in new production cycles, reducing raw material demand by nearly 30%. This initiative earned the project recognition as a “Model Sustainable Solar Facility” by the German Renewable Energy Association. Another example is a solar microgrid in Senegal, where SJCT’s recyclable ground screws were chosen specifically to align with the country’s national climate action plan. The project’s carbon footprint was reduced by 22% compared to similar installations using non-recyclable materials. Furthermore, SJCT’s adherence to ISO14001 certification ensures that its entire production process minimizes environmental impact, from raw material sourcing to waste management. By offering products that are not only durable and efficient but also environmentally responsible, SJCT empowers clients to achieve their sustainability targets while contributing to a cleaner, greener future. In doing so, SJCT proves that innovation and ecological stewardship are not mutually exclusive—they are essential partners in the global energy transition.

--- Contact Us ---

Interested in learning more about industry trends and solutions? Contact SJCT sjct@sjctfastener.com 15075088316.

--- References ---

Hebei Shijing Changtian Metal Structure Products Co., Ltd., 2023, 'High-Efficiency Automated Production for Photovoltaic Ground Screws: A Case Study from China’s Renewable Energy Sector'

Hebei Shijing Changtian Metal Structure Products Co., Ltd., 2022, 'Innovative Design Solutions for Challenging Geologies in European Solar Projects'

Hebei Shijing Changtian Metal Structure Products Co., Ltd., 2023, 'End-to-End Service Integration in Large-Scale PV Foundation Supply Chains'

Hebei Shijing Changtian Metal Structure Products Co., Ltd., 2024, 'Global After-Sales Support and Technical Assurance in International Solar Installations'

Hebei Shijing Changtian Metal Structure Products Co., Ltd., 2023, 'Zero-Excavation Installation Methods and Environmental Benefits in Sensitive Ecosystems'

Hebei Shijing Changtian Metal Structure Products Co., Ltd., 2024, '100% Recyclable Ground Screws and Circular Economy Practices in Sustainable Solar Infrastructure'

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