• Qingdao Doowin Rubber And Plastic Co., Ltd.

    Qingdao Doowin Rubber and Plastic Co., Ltd. is a leading manufacturer of underwater open bottom lifting bags, enclosed air lift proof load testing water weight lifeboat & davit test salvage tubes pontoons, marker buoys inflatable fenders, liquid storage PVC tanks, other products made heavy ...

    Telephone:86-532-87788178Address:No.18 of Xiazhuang Industry Park, Chengyang

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