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About product and suppliers:
        Alibaba.com offers 8,627 waste biogas products. About 62% of these are biogas, 9% are waste management, and 6% are water treatment. 

A wide variety of waste biogas options are available to you, such as heating system, industry fuel, and chemical. You can also choose from water treatment chemicals, coating auxiliary agents. As well as from hdpe, fabric. And whether waste biogas is free samples, or paid samples. 

There are 8,627 waste biogas suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of waste biogas respectively. 

Waste biogas products are most popular in Africa, North America, and South Asia. 

You can ensure product safety by selecting from certified suppliers, including 1,380 with ISO9001, 635 with ISO14001, and 389 with Other certification.