Main products: steel pipes, pipe fittings, steel supports, steel purlins, movable ends, fixed ends, steel columns, flanges, elbows, tubesheets and heads.

Address: West of Pengfei Machinery in Wuliyao, Yanshan County 100 meter.

Establishment date: 20 19-07-09.

2. Cangzhou Zhongyu Vinylon Pipe Industry Co., Ltd.

Main products: Vinylon cement cable protection tube, sepiolite tube, fiber cement tube, MPP tube, MPP power tube, asbestos cement tube, seven-hole plum blossom tube, glass fiber reinforced plastic composite material.

Address: 0/00 m, government west, Anling Town, wuqiao county, Hebei.

Established: 2012-01-01.

3. Chongqing William Pipeline Facilities Co., Ltd.

Main products: FRP cable bracket, FRP cable hoop, FRP cable protection pipe, FRP composite power pipe, CPVC power pipe, FRP sand-mixed sewage pipe.

Address: No.3 Fortune Avenue, Yubei District, Chongqing 19- 10.

Founded on April 23, 2008.

4. Zaoqiang Runtong FRP Co., Ltd..

Main products: FRP cable pipes, FRP well pipes, FRP sewage pipes, FRP ventilation pipes, FRP composite pipes and FRP threading pipes.

Address: No.356 Yuhua East Street (Menzhuang Industrial Zone), Zaoqiang County, Hengshui City, Hebei Province.

Establishment date: 20 15-03-20.

5. Hebei ruitai FRP Co., Ltd.

Main products: FRP products, iron products, steel products.

Address: jizhou city Daming Telecom, No.806 Jianshe South Street, Jizhou District, Hengshui.

Established: 20 17-02- 13.