Shenzhen Nanshan District Guangdong No.1 Air Conditioning Engineering No.2 Purification Engineering No.2 Clean Rooms No.2 Coating Engineering No.2 Clean Rooms Systems No.4 Clean Rooms Engineering No.5 Tu Zhuang Gong Yi No.5 Clean Engineering No.5 Purification Equipment No.10 Air Purification Equipment No.10 Neng Yuan Xin Materials No.20 Industrial Safety 理事单位 副会长单位 市级专精特新中小企业 科技型中小企业 市科技型中小企业 高新技术企业 CNAS认证