... built, High reliable, Solid organic material used Family size PUXIN new biogas digester plant system The Family size PUXIN biogas system ... gasholder over 10 years. When the gasholder is worn out, a new one is replaceable, so that the biogas plant can last ... decreased, and the construction perriod is greatly shortened. To build a Puxin Biogas Digester successfully, the constructers are only required to ...