Shanghai deutsche self-control valves ltd. Is a centralized development design, production sale, after-sale service valve business that operates mainly: ball valves, lock valves, butterfly valves, cut-off valves, filters, aerodynamic valves, electric valves, hydraulic valves, etc. The total variety specifications are: more than 2,000 items and can be constructed according to the latest ansi, api, din, bs, jis, and gb standards。