Tianjin Huahaiwan steel frame Co., Ltd is a professional manufacture of producing steel structure products which is used for warehouse, workshop, office and house. Now our products are mainly:
1. Steel structure building (including )
2. hexagonal screws(both inside and outside);
3. threaded stud;
4. heave of the role;
5. steel frame bolt;
6. various kinds of nonregular standard component.
We have different production level which including level 4.8, 8.8, 10.9, 12.9. Our production specification are from M5-M72, no matter what is the length. Also We have many choice of material , such as 35#, 45#, 40Cr, 35VB, 20MnTiB, 35CrMoA, 42CrMo etc. Meanwhile we can help you to design the product as your order.

Tianjin Huahaiwan Steel Frame Co., ltd was founded in 1998, and is located in base of steel in North China-Daqiuzhuang, Tianjin. Huahaiwan covers more than 30000 sqm. With 11 years of development, We have had full sets of advanced machinery and perfect quality management system, among which there are more than 10 sets of medium frequency induction heating furmace and its corollary equipment. About the inspection equipments, we have tensile strength tester, sclerometer, impact machine etc. Our planned range of activity is 2500 Mt.

Our goal is "Quality first, Customer first, credit frist", welcome to Huahaiwan for business, We think both of us can benifits from our cooperation.