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--- Why Choose Ground Screws for Your Construction Needs? ---

• Advantages of Ground Screws Over Traditional Foundations:

Ground screws offer a revolutionary alternative to traditional concrete foundations, delivering unmatched speed, cost-efficiency, and environmental sustainability. Unlike conventional pile foundations that require excavation, concrete pouring, and curing periods—often taking days or even weeks—SJCT’s ground screws can be installed in as little as 3 minutes per unit using hydraulic torque drivers. This 50% faster installation time significantly accelerates project timelines, especially critical in large-scale solar farms where schedule delays translate directly into financial losses. For example, in a 100 MW solar project in Kenya, SJCT supplied 280,000 ground screws, enabling the contractor to complete foundation work in just 42 days—over 30% faster than projected. The zero-excavation installation method also preserves soil integrity, reduces site disruption, and eliminates the need for heavy machinery on fragile terrains like savannas and coastal dunes. Moreover, SJCT’s ground screws are made from Q235B and Q355B steel with zinc coating thickness exceeding 85μm, tested to withstand over 3,000 hours in salt spray tests—far surpassing standard industry benchmarks. This durability ensures long-term performance in harsh environments such as tropical climates and saline-alkali soils. With a 10-year warranty on the main structure and full compliance with EN1090-1:2009+A1:2011 and ASTM standards, SJCT provides peace of mind to international clients. The ability to customize pile diameter (60–140mm), length, and thread pitch further enhances adaptability across diverse geologies—from sandy loam in Morocco to clay-rich soils in Germany. These advantages collectively make SJCT’s ground screws not just a product, but a strategic solution for modern, sustainable infrastructure development.

• Applications of Ground Screws in Various Industries:

Ground screws have become indispensable across multiple industries due to their versatility, rapid deployment, and eco-friendly profile. In renewable energy, SJCT’s photovoltaic ground screws are the backbone of solar farms worldwide. A landmark case in Latvia involved a 50 MW utility-scale solar plant where SJCT delivered 150,000 custom-designed helical piles adapted to the region’s dense clay soil and frequent frost cycles. The project was completed ahead of schedule, with no soil erosion or groundwater contamination—key factors in meeting EU environmental regulations. Beyond solar, ground screws are widely used in agriculture and landscape architecture. In Vietnam, a major greenhouse complex utilized SJCT’s 80mm-diameter ground screws to support 2,000 tons of polycarbonate roofing frames, allowing farmers to install structures without damaging arable land. Similarly, in South Africa, a luxury resort chain deployed SJCT’s modular ground screws for outdoor pavilions and fencing, achieving instant stability without concrete. In infrastructure, these screws serve as bridge abutments and subway tunnel supports, minimizing disruption in urban areas. A recent project in Hamburg, Germany, used SJCT’s 120mm spiral piles to reinforce a railway embankment prone to landslides, successfully stabilizing the track with minimal vibration. Even in temporary facilities, such as disaster relief camps in the Philippines, SJCT’s quick-install ground screws enabled rapid deployment of emergency shelters within hours. Their 100% recyclability and non-invasive installation align perfectly with global green building trends. With over 15 countries now relying on SJCT’s solutions—including partnerships with leading European EPC contractors and African solar developers—the applications continue to expand, proving that ground screws are no longer niche—they are the future of smart, sustainable construction.

--- SJCT's Ground Screw Product Line ---

• High-Quality Photovoltaic Ground Screws:

SJCT’s flagship photovoltaic ground screw line is engineered for performance, precision, and longevity. Each screw is manufactured using premium-grade Q235B and Q355B steel, ensuring tensile strength well above industry averages. The company’s production capacity exceeds 3 million units annually across two integrated plants covering 25,000 square meters, supported by 6 automated PV bracket lines and over 30 automatic punching machines. This scale enables lightning-fast delivery—critical for large projects like the 120 MW solar farm in Egypt, where SJCT fulfilled a 300,000-unit order within 45 days, thanks to its 10,000-ton inventory buffer and intelligent production scheduling. The screws come in diameters ranging from 60mm to 140mm, with customizable lengths and thread pitches tailored to specific geological conditions. For instance, in a desert project in Saudi Arabia, SJCT designed extended helical blades with deeper threads to anchor into loose sand, preventing uplift under extreme wind loads. Every unit undergoes strict adherence to GB/T 13912 standards, with hot-dip galvanization ensuring a zinc layer of ≥85μm and salt spray resistance exceeding 3,000 hours—proven in third-party lab tests. The result? A service life of over 10 years even in high-humidity, high-salinity zones. SJCT also offers OEM/ODM services, allowing clients to brand products or modify designs for unique project needs. One notable success story involves a German solar developer who required a custom 110mm screw with enhanced torsional resistance; SJCT delivered a prototype in 14 days and scaled up production within 30 days. With ISO9001, ISO14001, and ISO45001 certifications, SJCT’s photovoltaic ground screws are not just products—they are trusted partners in the global clean energy transition.

--- Ensuring Quality and Performance ---

• Rigorous Quality Control Measures at SJCT:

At SJCT, quality is not an afterthought—it’s embedded in every stage of production. From raw material procurement to final inspection, the company employs a full-process self-inspection mechanism backed by advanced testing systems. All incoming steel coils are verified for chemical composition and mechanical properties before entering production. During manufacturing, each ground screw passes through six automated inspection checkpoints: weld integrity checks, thread accuracy verification, galvanization thickness measurement, dimensional tolerance analysis, and surface defect detection. Any deviation triggers immediate rejection. The company’s R&D team, comprising 20 engineers and 10 senior specialists, continuously optimizes processes—such as refining the hot-dip galvanizing cycle to ensure uniform zinc coverage and prevent cold spots. In 2023, SJCT invested 10 million RMB in upgrading its QC lab with X-ray tomography and digital microscopy tools, enabling real-time defect identification. This commitment paid off in a major audit by a UK-based EPC firm, which found SJCT’s defect rate below 0.1%, far below the industry average of 1.5%. Furthermore, every batch is traceable via QR code, linking to production logs, test reports, and material certificates. When a client in Spain reported minor coating inconsistencies in a shipment, SJCT responded within 24 hours with a full root-cause analysis and free replacement of all affected units—demonstrating its dedication to accountability. With national recognition as a High-Tech SME in 2024 and awards for innovation in the photovoltaic sector, SJCT’s quality culture is both proven and scalable. Their 10-year warranty on structural integrity and 5-year guarantee on accessories reflect confidence in their process. This rigorous control isn’t just about compliance—it’s about building trust with global partners who depend on reliability, safety, and long-term value.

• Commitment to Sustainability and Environmental Standards:

SJCT is deeply committed to sustainability, making its ground screws a leader in green construction. The zero-excavation installation method eliminates soil displacement, reduces carbon emissions from heavy machinery, and prevents habitat destruction—critical for ecologically sensitive sites. In a 2023 project in Senegal, SJCT’s ground screws were used to build a solar microgrid in a protected mangrove area, where traditional foundations would have caused irreversible damage. The project was praised by local environmental agencies for its low-impact approach. Additionally, SJCT’s products are 100% recyclable, supporting circular economy principles. After decommissioning, the steel can be melted down and reused without loss of quality. The company also adheres to ISO14001 environmental management standards, with wastewater treatment systems and energy-efficient lighting in both factories. Since 2021, SJCT has reduced its carbon footprint by 22% through optimized logistics and renewable energy use in production. Its latest initiative includes a “Green Certification” program for customers, offering documentation to help them qualify for green building credits like LEED or BREEAM. In one case, a Norwegian solar developer used SJCT’s certified ground screws to achieve Platinum-level LEED certification for a new solar park. SJCT’s commitment extends beyond products—its 2024 launch of a foreign trade department signals a strategic pivot toward global sustainability leadership. By combining innovation, transparency, and environmental stewardship, SJCT doesn’t just supply foundation solutions; it empowers clients to build responsibly, sustainably, and profitably—proving that clean energy infrastructure must begin with a clean foundation.

--- Contact Us ---

Contact us on SJCT sjct@sjctfastener.com 15075088316.

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