Shahrahi-e-Faisal Karachi, Sindh
Biogas is the cleanest fuel available in world. Wasandi Biosolar (Pvt) Ltd makes digesters, And has worked for last few years on making effiecient digesters. This type of digesters are much cheaper to build, longer, easy repair, give more gas, can be built 2 3 ...
biogas, Bio, gas, Solar