Founed in the early eightieth, China Zhejiang Gaodong valve Co., Ltd is a professional forged steel and cast steel valve enterprise that gathers R&D, manufacture, sales and service as a unit. Its headquarter is located in Puyi Industrial Zone, Wenzhou, Zhejiang province. The company is energetically supported by robust technical strength & more than 380 competent staff, of whom are 16 technicians (2 senior engineer..