No.425Baiyun District Popularity Ranking Guangzhou GuangdongNo.2 Water Quality TestingNo.6 Ren Zheng Ren KeNo.8 Construction Engineering DetectionNo.11 Gong Cheng Jian TestingNo.13 Di Ji Ji Chu Gong Cheng Shi EngineeringNo.13 Testing QualificationsNo.15 WoodNo.15 Laboratory CertificationNo.15 Safety DetectionNo.16 Construction Engineering Quality DetectionNo.18 Engineering Quality DetectionNo.19 Engineering Detection副会长单位会长单位企业技术中心省级专精特新中小企业总部企业高新技术企业省级高新技术企业省级创新型中小企业CMA认证计量认证