Haiyan Chunhai Fastener Co., Ltd is one of the professional fastener manufacturers in China. It is located in Haiyan which is famous as "the City of Fastener" and closed to Shanghai port and Ningbo port. The company has specialized in producing screws for 10 years with the strength of drywall screw. The mainly products are self-drilling screw, drywall screw, tapping screw, chipboard screw and a few non-standard screws.
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