No.18 of Xiazhuang Industry Park, Chengyang
Qingdao Doowin Rubber and Plastic Co., Ltd. is a leading manufacturer of underwater air lifting bags, proof load testing water weight lifeboat & davit test salvage tubes pontoons, pipeline buoyancy pipe plugs, marker buoys inflatable PVC fenders, liquid ...
Underwater air lifting bag,individual buoyancy bags,water weight bags,lifeboat test water bags,crane test water bags