No.181 Guangzhou Popularity Ranking No.18 Haizhu District No.826 Guangdong No.1 Laser Equipment No.1 Gao Duan Equipment No.1 Measuring Instruments No.1 Zeng Materials Manufacturing No.1 Liang Instruments No.2 Laser No.2 Laser Technology No.4 Surface Treatment No.5 Dong Li Batteries Systems No.6 Metrology Management No.7 Xu Batteries No.8 Measuring 专精特新企业 高新技术企业 科技型中小企业 省级专精特新中小企业 省科技型中小企业 省级高新技术企业