Chengdu Sanchuan Special Steel Co., Ltd., Sichuan Shu Fei Biotechnology Co., Ltd., Chengdu Mengsheng Electronics Co., Ltd. ... According to the data of Chengdu Cheng 'a Industrial Park, the list of leading enterprises includes Chengdu Sanchuan Special Steel Co., Ltd., Sichuan Shu Fei Biotechnology Co., Ltd. and Chengdu Mengsheng Electronics Co., Ltd., and leading enterprises refer to enterprises that have a deep influence, appeal, demonstration and leading role in a certain industry to other enterprises in the same industry, and have made outstanding contributions to regions, industries or countries.