Zheng An Industry (Hong Kong) Co., Ltd. mainly produces and sells high quality bolts, nuts, screws, drawn wires 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. We are devoted to the continuous study, talent training, R&D capacity upgrade and product quality, and enhance our competitive power. We are your reliable partner. Operation variety: universal fasteners, imported alloy steel fasteners, rivet fasteners, steel structure fasteners, plastic fasteners, stainless steel fasteners, titanium alloy fasteners, copper fasteners, aluminum fasteners, chemical anchor bolts, anchoring glue, locking ...[More]s, micro precision electronic screws, various products and other non-standard customized products Surface treatment: 1. Blue zinc plating 2. Yellow zinc plating 3. Black zinc plating 4. Gray phosphate galvanizing 5. Black phosphate galvanizing 6. Brass plating 7. Black zinc galvanizing 8. Nickel galvanizing 9. Chromium galvanizing 10. Electrophoresis black 11. Decatizing 12. Machinery galvanizing 13. Hot dip galvanizing 14. Silvering 15. Gold plating Our main products are as followings: 1. Precise Hardware Spare Parts: steam Morocco fittings, electronic fittings, medical equipment fittings, communication equipment fittings and all kinds of hardware square parts We can also provide all kinds of hardware spare parts with good anti-corrosive functions. 2. Precision parts: Automatic lathe parts and CNC parts 3. Radiator and Radiator Fins: We can provide OEM services according to customers' requirements.