Chengxin (Hong Kong) Co., Ltd. was founded in November 2004 with a registered capital of hkd1million. At the beginning, the company mainly focused on hardware parts trade. With the continuous expansion of business, a wholly owned subsidiary, chengtech precision hardware (Shenzhen) Co., Ltd., was established in Guanlan, Shenzhen in August 2007. In July, 2009, Shenzhen Longhua established Shenzhen Chengxin Shunda Technology Co., Ltd. to become a general taxpayer enterprise. In February 2016, Dongguan chengtech Precision Hardware Co., Ltd. was established, and the production was transferred to Fenggang town, Dongguan City. in July, 2008, ISO9001:2000 quality management system and ISO14001:2004 environmental management system were passed, and Dongguan factory passed ISO9001:2008 quality management system in June 2016. Dongguan factory passed iatf16949: 2018 automobile quality management system certification in November 2019. Sincere technology precision is a Hong Kong owned enterprise mainly with automatic lathe machining. With strong technical strength, good reputation, excellent technology accumulation and experience, the company has won the satisfaction and trust of customers at home and abroad with reasonable price and stable quality! the company specializes in turning products made of copper, aluminum, iron, stainless steel, etc., mainly including various kinds of non-standard turning parts and non-standard fasteners such as precision shafts, rivets, pins, nuts, bolts, etc. The products are widely used in the photocopier printer OA machine, mobile phone, notebook computer, home appliance industry, and also used in the automotive fields such as precision car audio, automobile harness, in car air conditioning and so on.