Qingdao Shuangzi Import & Export Co., Ltd is located in a beautiful coastal,modern and open city of Qingdao.
The products is as under:
> Slip ring motor.
> Boiler /steam tubine / Generator.
> Stainless Steel &Carbon Steel tubes/pipes(ASTM /ASME Standard).
> Stainless Steel &Carbon Steel Plates(ASTM /ASME Standard.
>Staniless Steel & Carbon Steel Ball Valve,Globe Valve,Gate Valve,Check Valve,Pipe Fittings,Quick Couplings(Camlock Coupling),Flange,Hardware for ships,etc,etc.