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![]() Mr.Jack Chan created “RIYANG” welding 8years ago. When look back, the strong and clear idea “the industry of polyethylene pipelines will be growing exponentially in the next few years and so the need for HDPE welding equipments” brings “RIYANG” tonowdays. We are proud of being a growing manufacturer and supplier in plastic pipe welding industry. Nowdays, “RIYANG” employ... [Details] |