Chang Tong Technology Co., Ltd is a high -tech corpooration focusing on auto parts, flange, end plate,plastic pipe & fittings, and mould design, production,sale, and service. Chang Tong corporation was founded i nSeptember of 2003, which is located in industrial demonstration zone of Gong yi city.

Since its foundation,Chang Tong Technology Co., Ltd is consistent to insist on the philosophy of ' innovation for quality, technology for development'. Owing to advanced technical staffs, excellent equipments, strong technical force, complete testing equipments and be dedicated to reasearching develping the product with self-owned intellectual property rights, continious development of high-tech products, successfully blazing a path of scientific and technological innovation.

. Main technical details:

1.All raw steels are according to GB/T 700-2006. Material is Q235B.

2. All per formance and size accord to the requirement of prestressed concrete picture  No.10G409.

3. Size: Diameter from 300mm to 1200mm, and 300-600mm are our main products.

4. Thickness: 14mm, 16mm, 18mm, 20mm ect. Customization is also accepted.

Our new product line has a capability of annual output of 400000 tons. All equipment are CNC with programmed working with the advantage of high efficiency, good quality, and low rate of defective product, low labor cost.

 Packaging: wooden cases,pallet, steel wire or as your requirement.

Shipping: as your requirement.

 1. Factory offer

2. Best price

3.Short delivery

4.best service

5. Customized(Providing drawing is better.)