Qingdao Hengxin Plastics Co., Ltd. is the only one company which has two patents of Flange and Valve, which design and produce Flexitank, Flange, Valve and Plastic roducts. We can make different type of packing roducts to satisfy customer’s requirement. Our company is attaining ISO9001:2000 certificate and all products are made compliance with FDA, EC, and ICQ regulation. All of those can make sure high safety and hygiene. Our products export to USA, Europe, Southeast Asia, Australia and Africa etc. Qingdao Hengxin Plastics Company’s operation philosophy is “Best quality, Good credit,Well service, and excellent partner.” Qingdao Hengxin Plastics Co., Ltd. is looking forward to having a sincere cooperation with you! 聯系方式：馬經理 158988805687 15677777069