Shandong Lanjing Building & Construction Co., Ltd.
| Payment Terms | L/C,T/T,D/P |
| Supply Ability | 2500 tons per month |
| Delivery Time | 30-60 working days |
| Packaging Details | steel pallet / Bulk |
| Application | Workshop, Platform, Fabricated House |
| Structural Form | Portal Frame Structure |
| Main Frame | Welded H Steel Beam, Steel Truss |
| Molding Method | Hot-Rolled Steel |
| Specification | Q355b. Q235b |
| Secondary Frame | C&Z Purlin, Brace |
| Brand Name | Lanjing |
| Model Number | LJ-S01 |
| Certification | CE, ISO, SGS |
| Place of Origin | Weifang,China |
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Product Specification
| Payment Terms | L/C,T/T,D/P | Supply Ability | 2500 tons per month |
| Delivery Time | 30-60 working days | Packaging Details | steel pallet / Bulk |
| Application | Workshop, Platform, Fabricated House | Structural Form | Portal Frame Structure |
| Main Frame | Welded H Steel Beam, Steel Truss | Molding Method | Hot-Rolled Steel |
| Specification | Q355b. Q235b | Secondary Frame | C&Z Purlin, Brace |
| Brand Name | Lanjing | Model Number | LJ-S01 |
| Certification | CE, ISO, SGS | Place of Origin | Weifang,China |
| High Light | prefabricated steel frame house ，galvanized steel workshop building ，low cost warehouse steel structure | ||
1. High strength and stability:
Steel has the characteristics of high strength and high toughness, which can withstand large loads and has good anti-seismic performance, ensuring the safety and stability of the building.
2. Short construction time:
The construction time of steel structure building is relatively short, which improves the construction efficiency and reduces the construction cost.
3. Energy saving and environmental protection:
Steel is recyclable material, which is in line with the concept of green building.
The Steel Structure Workshop Warehouse boasts an innovative design, with a high-strength main frame integrated with box columns, IPE beams, and channel steel braces.
Its roof and exterior walls are fabricated using premium insulated sandwich panels and galvanized steel sheets, delivering outstanding performance advantages: exceptional load-bearing capacity, weather resistance, cost-efficiency, optimal thermal insulation, energy conservation, and a sleek, modern silhouette.
The construction process adopts modular assembly, enabling rapid on-site installation with minimal labor requirements.
Additionally, it offers superior durability, excellent sound insulation, flexible spatial configuration, strong wind resistance, and full recyclability of steel materials, aligning with green building standards.
| Main Structure | H-section steel | Q345 steel H beam, box column available |
| Welding | Automatic Submerged Arc Welding | |
| Rust removing | Shot blasting | |
| Surface processing | twice primer and twice finish Alkyd paint or hot dip galvanized | |
| High strength bolt | Grade 10.9 | |
| Substructure | Angle brace | L50*4, steel Q235, process and painting |
| Cross bracing | Dia.20 round bar, steel Q235 process and pre-galvanized | |
| Tie bar | Dia 89*3 round pipe, steel Q235 process and painting or pre-galvanized | |
| Batter brace | Dia. 12 round bar, steel Q235 process and pre-galvanized | |
| Ordinary bolt | Galvanized bolt | |
| Roof | Purlin | C channel or Z channel, steel Q235, galvanized |
| Roof panel | (50mm, 75mm, 100mm, 150mm) Sandwich panel , corrugated galvanized iron sheet | |
| Transparent skylight | 1.2mm FRP | |
| Accessories | Sealant, self-tapping screw | |
| Edge cover | Made of color steel sheet | |
| Gutter | Made of steel sheet with thickness 0.8mm, or PVC | |
| Rainspout | PVC pipe | |
| Wall | Purlin | C channel or Z channel, steel Q235, galvanized |
| Wall panel | (50mm, 75mm, 100mm, 150mm) Sandwich panel , corrugated galvanized iron sheet | |
| Accessories | Sealant, self-tapping screw | |
| Edge cover | Made of color steel sheet | |
| Ventilator | Unpowered axial-flow ventilator or monitor roof | |
| Door & Window | Electric rolling door/sliding door, PVC/ Aluminum alloy window | |
| Crane | Ranging from 5 tons to 20 tons | |
| customized service and personalized design are welcomed!! | ||
Q1: Is your company a factory or trading company?
A: We are manufacturer with foreign trade department, so you can get competitive price as well as professional service. And you are always welcomed to visit our factory at any time.
Q2: What are your main products?
A: We provide steel structure warehouse, workshop, plants,chicken house, prefabricated house, container type house, garage, aircraft hangar, sandwich panels and other construction materials. According to the requirements of different projects and clients, we will supply different designs and steel products.Customized design is available.
Q3: What's the quality assurance you provide and how do you make quality control?
A: Quality-first is our core value. LJ steel structure quality assurance team and quality control team have developed a rigorous quality inspection system based on ISO9001. Testing Laboratory guarantees qualified raw materials and high- standard product.
Q4: Do you provide installation instructions and on-site installation services?
A:Every project will provide the installation instructions, and if you need, we also would like to send our engineer to the local construction site for helping the installation work.
Q5: What should I provide to get a complete quotation?
A: Please provide information as follows:
| 1.Project location | 5.Length (sidewall,m) | 9.Window material, style,size |
| 2.Snow load | 6.Width (end wall, m) | 10.Door material, style,size |
| 3.Wind load | 7.Wall Height (eave, m) | 11.raining condition |
| 4.Seismic magnitude | 8.Middle column allowed or not | 12.Crane needed or not |
| 13.other information if necessary | ||
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2010
Total Annual:
50,000,000-100,000,000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
Shandong Lanjing Building & Construction Co., Ltd. as a professional manufacture of steel structure projects and prefabricated house offers a comprehensive ONE-STOP service for clients with customized solutions including consultation, R&D, design, manufacturing, installation, overseas projec... Shandong Lanjing Building & Construction Co., Ltd. as a professional manufacture of steel structure projects and prefabricated house offers a comprehensive ONE-STOP service for clients with customized solutions including consultation, R&D, design, manufacturing, installation, overseas projec...
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