Products

Guojian (Tianjin) Steel Industry specializes in manufacturing China Tile Roof Solar Mounting System, offering a one-stop service that includes batch purchasing for residential and industrial and commercial projects, customized design for specific tile specifications, and roof load verification. This system uses 304 stainless steel hooks combined with anodized aluminum rails. The lightweight design ensures roof waterproofing performance, and it can be adjusted in height, suitable for roofs of different slopes, including concrete, clay, and glazed tiles, reducing the amount of tile removal during installation and lowering the risk of leakage.

As a primary supplier of specialized Special Heavy‑Duty Steel Structure, Guojian Steel Co., Ltd. caters to large-scale procurement, custom engineering projects, and bulk supply of ready-stock components, meeting the needs of heavy infrastructure and large-scale industrial projects. Fabricated from high-strength, thick steel plates (such as Q355B and Q355NL), these structures offer exceptional load-bearing capacity and impact resistance. They enable the production of high-tonnage, long-span non-standard components through advanced factory prefabrication and modular assembly. Manufactured in strict accordance with national standards for heavy steel structures, the products come with comprehensive one-stop services—including detailed design, thick-plate welding, flaw detection, and complete delivery. Widely utilized for heavy equipment bases, heavy-load industrial facilities, large-scale support structures, and engineering machinery mounts, these products ensure stable delivery for bulk orders and perform reliably under high-load, rigorous operating conditions, making them the preferred choice for heavy infrastructure projects.

Guojian Iron and Steel Co., Ltd. supplies large quantities of Floating Solar PV Mounting System, and welcomes procurement inquiries. This above-water support system realizes the dual-use model of above-water photovoltaic power generation and underwater aquaculture, greatly improving the utilization rate of water areas and the output value of unit water areas. The product is easy to install, has a simple structure and is flexible to operate. It is compatible with various arrangements of photovoltaic modules. It is green, environmentally friendly and reusable. It takes into account both power generation efficiency and breeding income. It is the preferred supporting product for fishery and photovoltaic complementary projects.

Guojian (Tianjin) Steel supplies Back-to-Back Connected Solar Carport, interconnected photovoltaic (PV) carports and welcomes inquiries from new energy general contractors, industrial park property managers, and factory procurement teams. Our in-house developed dual-sided, dual-slope carports feature a robust structure made of thickened hot-dip galvanized C-section steel. They utilize an integrated layout for double-row parking with PV modules installed simultaneously on both sides, maximizing space efficiency. The design includes an integrated drainage and waterproofing system and supports modular, weld-free, rapid installation. With a factory inventory of over 10,000 tons, we offer customizable overall spans tailored to specific site dimensions and parking layouts.

As a primary supplier of municipal steel structures, Guojian Steel Co., Ltd. caters to large-scale procurement, custom engineering projects, and bulk supply of ready-made components, meeting the needs of urban infrastructure and public facility projects. These Municipal Public Steel Structure are fabricated from Q235B/Q355B weathering steel, offering superior corrosion resistance, high wind-load capacity, and design versatility; they support customization of dimensions, aesthetics, and anti-corrosion treatments, featuring factory prefabrication for rapid on-site assembly. Manufactured in strict accordance with national municipal engineering standards, the products come with a one-stop service package covering detailed design, fabrication, quality inspection, and delivery. Widely utilized in urban walkways, landscape structures, bus shelters, pedestrian bridges, and public facilities, they ensure stable supply for large orders and effectively shorten construction timelines, making them an ideal choice for urban public infrastructure projects.

Guojian (Tianjin) Steel is a specialized supplier of Flexible Solar Mounting System in China. The company focuses on prestressed flexible PV mounting systems; its products are manufactured in strict accordance with technical standards, offering excellent corrosion resistance, durability, and compliance with safety load requirements. Designs can be customized based on specific terrain conditions, allowing for flexible adaptation to various complex ground-mounted PV projects. Guojian supports large-volume orders and provides technical drawings, testing certifications, and free project assessments.