Zhejiang Zhenglong Environmental Protection Tech Co., Ltd was founded in 1996, Our factory located in jinhua city, Zhejiang PRO. China, We have branch company in Hangzhou city with professional sales team. We have been in this line for more than 20 years. Specializing in the production of plastic

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Changzhou Showhum Precision Technology Co., Ltd. is a company integrating industry and trade. Specializing in the production of various metal processing parts, automobile and motorcycle, bicycle parts, aluminum alloy parts, bicycle and wheelchair frames, plastic rubber parts, forgings and die

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