Changsha
Changsha County
Hunan
Huan Bao / Energy Saving
Shui Chu Li Wei Hu
Low Carbon Environmental Protection
Waterproofing Engineering
Waterproofing Technology
Materials Technology
Energy Saving and Environmental Protection
Ke Chi Xu Fa Zhan
Water Treatment Technology
Environmental Engineering
Environmental Protection Products
Drainage
名牌产品
自主创新产品
理事单位
省级高新技术企业
省名牌产品
高新技术企业
科技型中小企业
省科技型中小企业
ISO9001认证
ISO14001认证