Changzhou HongSheng Machinery Fittings Factory also known as "Changzhou Drinty Auto Parts Co., Ltd" founde in 2000, it is a research, development, design, manufacture, sales in one of the professional auto parts manufacture.The main products are wheel nuts, high -strength bolts, wheel locks , hub centric rings , wheel spacers and socket wrench.The company has a skilled team; equipped with many advanced production equipments, such as digital multi-function machines, precision CNC machine tools, automatic electroplating production line
Workshop for Wheel Lug Nut
We also imported a variety of testing facilities, established the quality inspection center.In order to ensure high quality, we need to use these equipments to test our products, hardness tester, Pulling strength tester, torque meter, and plating thickness tester, salt spray testing machine.
Testing Facilities for Wheel Lug Nut
We get ISO / TS16949 certificate, products are proved by TUV, BV and SGS. we also have 10 utility model patents and 4 design patents, provide a strong guarantee, high quality and good service.