Factory Construction Building/Prefab House/Prefabricated Steel Structure Storage Warehouse Building/Workshop Plant Shed
Ridge Steel Buildings Co. Ltd. was established in 1998 in Quanzhou China, specialized in design, fabricate and erect of steel buildings. Consisting of a highly operate workshop, an experienced drawing office and an efficient erection team, Ridge Steel Buildings has the ability to provide customers for various steel building with reliable quality and good price.
The works that Ridge Steel Buildings undertakes including pre-engineered steel buildings for factory, warehouse, workshop, godown, store, supermarket, sports centre, multi-storey building etc.
Prefabricated Steel Structure Metal Workshop Building with Low Cost:
- 1. Advantage: Low cost, earthquake-proof, anti-typhoon, anti-corrosion, recycle usage.
- 2. Main frame: All steel parts will be fabricated in the workshop, there is only bolt connection at site.
- 3. Roof & Wall: Single colored sheet/galvanized zinc sheet, or eps/glasswool/rockwool/pu sandwich panel.
- 4. Doors & Windows: We work with expert suppliers to provide you best solutions of doors and windows.
- 5. We supply all accessories needed for a completed building, like bolt, screw, trims & flashings, etc.
- 6. Additional: Easy suited with overhead crane, mezzanine floor in plywood or concrete, and more.


| Main steel structure (columns and beams) |
1.Steel Q345(S355JR) or Q235(S235JR)H shape |
| 2. Straight cross-section or Variable cross-section |
| Sub steel structure |
1.Material Q235(S235JR) steel |
| 2.Bolt connections. Anti-rust painted or galvanized |
| 3. Bracing:X-type or V-type or other type bracing made from angle,round pipe,etc |
| 4. Purlin:C or Z type:Size from C80~C320,Z120~Z300 |
| Roof |
Sandwich panel(PU/EPS/fiberglass/rook wool) or Colorful steel tile |
| Wall |
Sandwich panel(PU/EPS/fiberglass/rook wool) or Colorful steel tile |
| Doors |
Steel rolling shutter or others |
| Windows |
Alu. Alloy window,or others |
| Edge Cover |
Steel sheet 0.5mm thickness |
| Bolts |
M24,M22,M16 embedded bolts,intensive bolts,galvanized ordinary bolts,high-strength bolts,etc |
| Others options |
Skylight panel,Roof ventilator,Down pipe,Galvanized,Crane,sanitary Products |
| Foundation |
Cement and steel foundation bolts |
Galvanized Steel Structures
- Anti-Rust Superpower: The zinc coating acts like a tough shield, protecting the steel underneath from rust and corrosion caused by rain, humidity, and other weather. This is its biggest advantage.
- Built to Last: Because it resists rust so well, galvanized steel structures last a very long time, often decades, even in tough outdoor conditions.
- Tough as Nails: The zinc coating is hard and provides good resistance to scratches and damage during handling and construction.
- Low Maintenance: You don't need to paint it or do much to keep it protected from rust. Less rust means fewer repairs over time.
- Good Value: While it costs a bit more upfront than bare steel, its super long life and low maintenance costs make it cheaper in the long run.
- Ready to Use: It arrives from the factory already protected (galvanized), so it's ready for immediate use in building things.
- In short: Galvanized steel is strong steel with a zinc shield that fights off rust, making structures last longer with less work and cost over time.


Installation Process Explained
Our steel structure building installation follows a standardized and efficient 12-step process:
1-2 Foundation
- Prepare the concrete base according to the structural load requirements and install the pre-embedded anchor bolts as per the foundation construction drawings.
3-4 Columns
- Erect the steel columns using a truck crane, with one worker guiding and 3-4 workers assisting. Secure each column onto the anchor bolts and add temporary bracing.
5 Roof Beams
- After two adjacent steel columns are installed, begin installing the main roof beams to connect and stabilize the structure.
6-7 Purlins
- Install roof and wall purlins after completing the column and beam installation. Bolt them securely onto the main structure to support cladding panels.
8 Purlin Rods
- Reinforce the frame by installing horizontal tie rods between purlins for added stability.
9 Water Gutter
- Install the gutter system along the eaves to ensure proper drainage and prevent water accumulation.
10-11 Cladding
- Attach wall sheets to wall purlins with self-tapping screws, then install roof sheets. For insulated buildings, fix sandwich panels to both walls and roof.
12 Completion
- Install covers at corners, eaves, windows, and doors; fit windows and doors in place; conduct a final inspection - your steel building is ready for use.

ABOUT RIDGE STEEL
RIDGE Steel Buildings Co. Ltd. was established in 1998 in Quanzhou China, a professi-onal manufacturer of steel structure with 15 years exporting experience, finished 1820 projects total 7600,000 square meter. We have 2 modern factories with a total area of 21000 m2,60000 tons aunual produced capacity.
RIDGE Steel will take our full effort to supply you the best products and the best service, and hope to set up a long term business relationship with you!


FAQ
Q1: Can I have a visit to your factory before the order?
- A: Why not? Welcome to visit our factory. You can fly to Fujian Quanzhou Airport, then we will pick you up at the airport, hotel booking service is available.
Q2:ls your price competitive compared with other companies?
- A:Our business objectives are to give the best price with same quality and best quality with the same price. We will do everything we can to reduce your cost and guarantee you get the best product that you paid for.
Q3:Do you accept container loading inspection?
- A:You are welcomed to send an inspector, not only for the container loading, but any time during the production time.
Q4:Do you offer designing service for us?
- A:Yes, we could design full solution drawings as your requirements.By using AutoCAD ,PKPM ,3D3S,Tekla Structures (X steel) etc., we can design complex industrial building like office mansion, super marker, auto dealer shop,shipping mall, 5 stars hotel.
Q5:What is the delivery time?
- A:Delivery time depends on order quantities. ln general, the delivery time to nearest seaport in China will be 30 days after receiving deposit.
Q6:How can you get a quotation for your projects?
- A:You can contact us by email, phone, TM, WhatsApp and so on 24*7 and you will get reply within 8 hours.
Firstly, please send us your project details and your requirements.
Then we will design accordingly, free of charge. Afterwards, please check and confirm whether you like the drawings.
If not, we shall get the drawings revised until your confirmation.


