Lanjing Steel Structure Co., Ltd.
| Steel Grade | Q355B Hot Rolled H-Section |
| Powder Coating | Polyester Powder Coating UV Resistant RAL Custom Colors |
| Galvanizing Standard | ISO 1461 Hot Dip Galvanizing |
| Corrosion Protection | Hot Dip Galvanized ≥85μm + Electrostatic Powder Coating ≥60μm = Total ≥145μm |
| Corrosion Class | C4 High Corrosivity Rating (ISO 12944) |
| Payment Terms | T/T, L/C at sight |
| Packaging Details | Double-layer coated steel components individually wrapped with VCI anti-rust paper, packed in reinforced steel pallets with weatherproof cover |
| Supply Ability | 20000 Square Meters per Month |
| Warranty | 10 Year Structural Warranty Standard |
| Delivery Time | 25-35 working days after deposit |
| Design Life | 50 Years Structural Design Life per GB 50017 |
| Span | 12-24m Clear Span |
| Model Number | RIDGE-DL-5000 |
| Brand Name | RIDGE |
| Place of Origin | Fujian, China |
| Certification | ISO 9001:2015, CE, ISO 1461 Galvanizing |
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Product Specification
| Steel Grade | Q355B Hot Rolled H-Section | Powder Coating | Polyester Powder Coating UV Resistant RAL Custom Colors |
| Galvanizing Standard | ISO 1461 Hot Dip Galvanizing | Corrosion Protection | Hot Dip Galvanized ≥85μm + Electrostatic Powder Coating ≥60μm = Total ≥145μm |
| Corrosion Class | C4 High Corrosivity Rating (ISO 12944) | Payment Terms | T/T, L/C at sight |
| Packaging Details | Double-layer coated steel components individually wrapped with VCI anti-rust paper, packed in reinforced steel pallets with weatherproof cover | Supply Ability | 20000 Square Meters per Month |
| Warranty | 10 Year Structural Warranty Standard | Delivery Time | 25-35 working days after deposit |
| Design Life | 50 Years Structural Design Life per GB 50017 | Span | 12-24m Clear Span |
| Model Number | RIDGE-DL-5000 | Brand Name | RIDGE |
| Place of Origin | Fujian, China | Certification | ISO 9001:2015, CE, ISO 1461 Galvanizing |
| High Light | 50 year design life steel shed ，double layer anti corrosion frame ，Q355 galvanized prefab industrial building | ||
When your investment demands maximum longevity, our dual-protection steel shed system delivers unmatched durability. The proprietary double-layer corrosion protection — combining ISO 1461 hot-dip galvanizing (≥85μm) with UV-resistant electrostatic polyester powder coating (≥60μm) — achieves a total coating thickness of ≥145μm, rated for C4 high corrosivity environments per ISO 12944 standards.
While the initial investment is 15-20% higher than single-coated alternatives, the elimination of repainting costs (typically $15-25/m² every 8-12 years) and extended structural lifespan deliver 40% lower total ownership cost over the building's lifetime.
Critical infrastructure buildings, chemical and petrochemical storage, coastal industrial facilities, food-grade processing plants, and any application where corrosion failure would cause unacceptable business disruption.
Company Details
Business Type:
Manufacturer,Seller
Total Annual:
5000000-8000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Lanjing Steel Structure Co., Ltd. covers an area of 73,000 square meters. It is a professional enterprise specializing in the design, production, and installation of building steel structures, modular container houses, high-end composite panels, and more. The company boasts a team of specialized des... Lanjing Steel Structure Co., Ltd. covers an area of 73,000 square meters. It is a professional enterprise specializing in the design, production, and installation of building steel structures, modular container houses, high-end composite panels, and more. The company boasts a team of specialized des...
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