No.243 Chongqing Popularity Ranking No.21 Jiulongpo District No.1 Gong Yi Design No.2 Chains No.2 Hoisting Chain Strip No.3 Qing Quantitative Technology No.3 Tu Zhuang Gong Yi No.3 Coating Engineering No.3 Smart Engineering Factory No.3 Lun Wang No.3 Qing Quantitative No.4 Lun Gu No.5 Industrial 4.0 No.5 Casting 省级高新技术企业 市级高新技术企业 高新技术企业 瞪羚企业 企业技术中心 专精特新小巨人企业 专精特新企业 知识产权优势企业 IATF16949认证