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Recently, Yingli mechanical valve factory production of a busy valve, the internal formation of the valve manufacturing design, production, manufacture, assembly, testing, packaging, shipping and other one-stop modern system, whether it is the scale of production, or manufacturing equipment, see the Smell, and strongly felt that the company has shown a field management standards, advanced management system, production process specifications, products pay attention to the quality of a series of changes in growth, but also the formation of the valve manufacturing professional scale effect