No.207 Shenzhen Popularity Ranking No.38 Bao'an District No.454 Guangdong No.1 Cemented Carbide No.1 Energy Materials No.1 Heat Insulation No.1 Xun Huan Li Yong No.1 Dian Chi Gong Ying Shang No.1 Renewable Resources No.1 Dian Jie Cobalt No.1 Smelting Technology No.1 Zi Yuan Xun Rings No.2 Xin Neng Yuan Dong Li No.2 Dong Li Batteries Materials No.2 Neng Yuan Dong Li 国家高新技术企业 高新技术企业 创新型企业 国家技术创新示范企业 知识产权示范企业 国家知识产权示范企业