Zheng An Industry (Hong Kong) Co., Ltd. mainly produces and sells high quality bolts, nuts, screws,stamping parts and other non-standard specific fasteners, which comply with GB, ANSI, DIN, UNI, JIS and ISO standards. Our products are widely applied to aerospace, energy source, electronics, machinery, chemical, military projects, metallurgy, die assembly, hydraulic and automobile industries. We have passed ISO9001 and QS9000 international quality assurance system certification and A2LA laboratory certification on America FQA bill.