Import Auto Parts Six Sides Key Parallel Key Flat Keys — Buy in wholesale FOB from Supplier in China

Wenzhou Yuanzhi Auto Parts Co. Ltd manufactures six-sided keys and parallel flat keys from carbon steel, alloy steel and stainless steel at its facility in Wenzhou Economic And Technological Development where it holds ISO 9001:2015 and IATF 16949:2016 certifications. The product line spans Class 4.8 through 12.9 mechanical grades with standard sizes from 10 mm to 1000 mm and provision for non-standard custom dimensions. Material options include C70, 65Mn, carbon steel, alloy steel, stainless steel and brass with OEM specifications accepted.

The keys undergo heat treatment processes that include tempering, carburizing, spheroidizing annealing and quenching to achieve specified mechanical properties. Surface finishes range from self colour and plain through zinc plating in clear, blue, yellow and black variants, plus nickel plating, passivation, polishing, black oxide, chrome and hot-dip galvanizing. Dimensional tolerances and geometric accuracy are verified with calipers, 3D detectors and projectors. The supplier maintains salt spray testing, hardness testing and magnetic flaw detection capabilities on site.

These fastening components serve automotive assembly, machinery manufacture, agricultural equipment and general industrial maintenance sectors. Buyers include OEMs, aftermarket distributors and maintenance workshops requiring standard keys to DIN, GB, ISO, ANSI/ASTM, BS, BSW and JIS standards. The supplier accepts small orders and offers sample provision with OEM and ODM services. Loading ships from Ningbo or Shanghai ports. Payment is structured at 30 percent deposit with 70 percent before shipment, or 100 percent TT in advance.

Wenzhou Yuanzhi Auto Parts Co. Ltd operates from No.168 Hairong Road, Haicheng Street, Wenzhou Economic And Technological Development Zone, Zhejiang Province, China. The supplier holds ISO 9001:2015, IATF 16949:2016 and ISO 14001:2015 certifications and maintains in-house test equipment including calipers, tensile test machines, hardness testers, salt spray testers, H.D.G thickness testers, 3D detectors, projectors and magnetic flaw detectors. The trust tier is harbour with a 0.00 percent response rate and zero recorded average response hours, which indicates limited communication data rather than active engagement.

The company profile states specialisation in six-sided keys and parallel flat keys with design capability for OEM and ODM projects. It accepts small orders and offers sample provision. The listing does not state annual turnover, employee count, factory floor area, specific client names or export volume history. Buyers should verify production capacity, current lead times and quality certification validity directly with the supplier before placing orders.