No.256 Zengcheng District Popularity Ranking Guangzhou Guangdong No.2 Waterproofing Sealing Materials No.10 Construction Sealing Materials No.13 Bearings Seals No.13 Seals No.14 Hydraulics Technology No.14 Hydraulics Engineering No.14 Ye Ya Chuan Dong No.15 Plastic Products Manufacturing No.16 Hydraulics No.28 Gao Fen Zi Chemistry No.30 Gao Fen Zi No.44 Su Adhesives 科技型中小企业 省级专精特新中小企业 省级高新技术企业 省科技型中小企业 高新技术企业 省级创新型中小企业 ISO9001认证 ISO/TS16949认证