1999, CY Co., Ltd.malitere site liangjun Chen na Neijiang, Sichuan Province CY na-amalite mkpara carbide arụpụtara, igwe ihe igwe ngwụcha na ntinye cnc na mpaghara Sichuan Ụlọ ọrụ ChengYe Co.,Ltd.A na-abụ dị ka otu, na-eji 3 ụlọ mmepụta ihe na 2 n'ógbè: Jiangsu Province, Sichuan Province. CY Group weghaara ụfọdụ ụlọ ọrụ mmepụta ihe na Zigong na Changzhou. CY Group malitere ahia mba ụwa n'ofe ụwa
ChengYe co.,ltd., Nke bụ ihe niile nke CY Group malitere, na-ebupụ ngwaahịa niile nke CY Group, ChengYe co., Ltd., dị na Chengdu, Sichuan Province.
