2.Hangzhou Xiaoshan Yangcheng Sewage Treatment Co., Ltd Address:Development Zone, Nanyang Town, Xiaoshan District Tel:82171494
3.Hangzhou Xiaoshan Shantou Sewage Treatment Co., Ltd Address:Yuncheng Village, Guali Town, Xiaoshan District Tel: 82506073
4.Hangzhou Xiaoshan Hangmin Sewage Treatment Co., Ltd Address: Hangmin Village, Guali Town Tel: 82556596
5.Hangzhou Xiaoshan Sewage Treatment Co., Ltd Address: Tonghui Middle Road, Xiaoshan District
6.Hangzhou Jihua Chemical Co., Ltd Address of Sewage Treatment Station: Tangxin Line, Xiaoshan District Tel: 22898078?