Suzhou Electroplating Materials Company

A lubricant company in Shaanxi province

A certain environmental protection company in Henan

A plating wastewater company in Henan

Wastewater Treatment in Electroplating Plants of Zhejiang Province

Chemical Wastewater Treatment in Xuzhou, Jiangsu

Treatment of high-salt wastewater in Nanchang, Jiangxi Province

Hangzhou Biopharmaceutical Co., Ltd.

A chemical drug company in Chongqing

A New Materials Company in Guangdong

A hazardous waste treatment center in Anhui

A magnetic material/precision component enterprise in Yantai