No.142 Longgang District Popularity Ranking Shenzhen Guangdong No.1 Tian Ran Shu Grease No.1 Inks No.1 Shu Grease No.1 Printing Oil Ink No.1 Steel Boards No.2 Coatings No.2 Polypropylene PP No.2 Anti-corrosion Technology No.3 Materials Engineering No.3 Circuit Boards Materials No.4 Separator Materials No.4 Dian Chi Ge Film 专精特新小巨人企业 高新技术企业 省级工程技术研究中心 省级高新技术企业 国家高新技术企业 专精特新企业 市级高新技术企业 制造业单项冠军 ISO9000认证 ISO14001认证 QC080000认证