No.225 Yubei District Popularity Ranking Chongqing No.2 Han Machines No.2 Welding Machines No.3 Stamping Molds No.3 Han Jie Zong Cheng Parts No.4 Jian He Machines No.4 Chong Ya Mo No.5 Welding Equipment No.7 Jiao Deng No.7 Kitchenware No.7 Vehicles Doors No.8 Molds Development No.8 Automation Production Lines 市级高新技术企业 高新技术企业 国家企业技术中心 专精特新小巨人企业 省级高新技术企业 国家知识产权优势企业