No.39 Jiangjin District Popularity Ranking Chongqing No.7 Wu Jin Ling Accessories No.14 Machinery Hardware Processing No.20 Processing Processing Equipment No.23 Processing Equipment No.23 Machine Tools No.29 Household Appliances No.32 Power Distribution No.39 Production Equipment No.85 Huan Bao / Energy Saving Energy Optimization She Pin Recognition Hardware Locks 高新技术企业 市级高新技术企业 ISO9001认证 ISO45001认证 ISO14001认证