Jixi Huangshan Industry Co.Ltd. and Anhui Huangshan Zhongyou Chain Manufacturing Co., Ltd. are the parent and subsidiary companies of the same investment body, focusing on the design and manufacture of high-precision cold heading chain rollers, sleeves and all kinds of chains. The enterprise has passed the three management system certifications of ISO9001-2015, ISO14001-2015 and ISO45001-2018. It is a National Intellectual Property Advantage Enterprise, National High-tech Enterprise, Anhui AAA Grade Credit Enterprise, Anhui Advanced Private Enterprise, Anhui Civilized and Honest Private Enterprise, Anhui Private Science and Technology Enterprise, Anhui Specialized and New Enterprise, Anhui Famous Brand Product Enterprise, and the director unit of China Chain Association and member unit of China Chain Standard Committee. The trademark of "Zhongchain" is a famous trademark of Anhui Province.