Chongqing Wangliyuan Agricultural Development Co., Ltd. is a company, specializing in designing and constructing biogas plants of various capacity using dung, sewage, etc as fermenting material to produce for cooking, heating generating electricity. ...

Huamei International Green Energy Holding Co, Limited, with its headquarters in Hong Kong, is an innovative and high technology enterprise, aiming at developing user-friendly environmentally friendly biogas products, such as foldable digesters, ...