International operation, service in Asia, Africa and Latin America customers, Dredava Expansion joint Expansion joint honest cooperative enterprise--Zhongyuan valve fittings, has been deeply engaged in the space flight field for many years, Bold reform and realistic innovation, and the company pays attention to the improvement of technology and process. Due to the needs of the market, Dredava Expansion joint Expansion joint honest cooperative enterprise--Zhongyuan valve fittings has hired a number of engineering and technical personnel in the field of space flight in recent years, Innovation Starts Here, which has greatly improved the technical content of Dredava DredavaExpansion joint and other products. The Zhongyuan valve fittings brand has been unanimously praised by the majority of Dredava users.
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