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Qingda Industry Park, Chengyang District, Qingdao, China

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  • Name: Prefabricated multi storey steel structure frame factory

All steel structural are prefabricated and customized. We could fabricate according to your drawing and requirement. You also could

order structural steel in oversea standard material from us, such as EN, DIN, ASTM, JIS standard. And what’s more, oversea sectional steel

such as IPE, IPN, UB, and W beam also is available here, if only meets the min order quantity 60T of each size.


Primary fabricaiton process:Cutting -> Assembly -> Submerged Arc Welding -> Straightening -> Ball Blasting -> Painting                                    

BDSS has the capacity to provide 20,000 Tons of structure steelwork annual.

Our primary steel structure fabrication competencies are:

- H section steel beam

- BOX column

- Honeycomb beam

- Crossing section column

- Truss / Gantry

- Platform

- Special shaped steel structure


We cater for the design and fabrication of steelworks. We comply with GB standard and ISO standard for all the works to provide excellent and strong products. We are committed to satisfy your requirements and provide you with very competitive price.


Products and services:

* Drafting structural drawing and shop drawing

* Steel fabrication

* Precise welding : SAW / MIG

* Sand blasting and well painting

* Complete construction drawing for guide erection

* Pre-sale service and after-sale service 


Surface treatment:
1. Primary steel structure apply ball blasting to grade Sa 2.5 after fabrication. Secondary steel structure apply manual derusting to grade St 2.0.

2. Painting: Alcohol acid paint, epoxy zinc rich paint or fluorocarbon paint. Various colors available. Paint dry film thickness is about 60-120 microns. Or as per clients' request.
3. Hot dip galvanized. The hot dip galvanized thickness reaches 275 -- 500gsm.


Any inquiry on steel structure components or building, welcome to contact us.

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