NingBo ZhengXin (ZX) mgbali elu Co., Ltd. bụ a na-eduga emeputa nke elu nsogbu gas cylinders na valves dị na No.1 JinHu East Road, HuangJiaBu Town, YuYao City, China, na ya ahịa ụlọ ọrụ na Shanghai, China. N'ime 20 nde a pụrụ ịdabere na cylinders na-mere site ZX na ọrụ n'ụwa nile. Anyị na-enye onwe anyị n'ime nyocha na mmepe nke cylinders na valves kemgbe 2000, na-achọ ịnye ngwaahịa dị mma maka ihe ọṅụṅụ, scuba, ahụike, nchekwa ọkụ na ụlọ ọrụ pụrụ iche.