No.271 Changzhou Popularity Ranking No.96 Wujin District Jiangsu No.1 Tong Yong Clamps Tools No.1 Bearings No.1 Machine Tools Clamps Tools No.1 CNC Technology No.2 Tooling Clamps Tools No.2 Machinery Hardware Processing No.2 Manipulators No.2 Fixtures No.3 Gong Ye Che Liang No.3 Cheng Guo Zhuan Chemical No.4 Agricultural Equipment No.4 Engines 科技型中小企业 民营科技企业 省科技型中小企业 省民营科技企业 省高新技术产品 高新技术企业 省级高新技术企业 市科技型中小企业 发明专利 实用新型专利 市级创新型中小企业 ISO9001认证 ISO14001认证