Shenzhen Huaxin Co. Ltd is engaged in the fuel gas and real estate industries. The company's key products of fuel gas and fuel gas machinery cover over 60% of the total market share in China and are exported in huge quantities to South and Southeast Asia. In addition, Shenzhen Huaxin's subsidiary, Xinjiang Meichen Fuel Gas Company, has outstanding advantages in natural gas yield and exploration, while another subsidiary, Zigong Tongda Machinery Manufacturing Company, is one of the largest domestic manufacturers of complete sets of natural gas equipment.