Nantong Zhengtuo Gas Co., Ltd. is the associated company of Jiangsu Lianhai Biotechnology Co., Ltd., It is established in 2010 and it’s registered capital is 22 million yuan. The company invested 1.1 billion yuan in the construction of industrial waste recycling and comprehensive utilization project, it mainl一uses methane, hydrogen and fermentation exhaust gas as raw materials by Lianhai company and through purification to product natural gas and hydrogen and carbon dioxide as by-products.It gives an annual production of compressed natural gas of 2800 million standard side, hydrogen of 2600 million standard side.