Southwest Oil and Gas Field Company is an important natural gas production and supply enterprise in the southwestern region of China, affiliated with China National Petroleum Corporation. According to customer requirements, ZOZEN Boiler has supplied a 30-ton SZS series gas-fired steam boiler to Southwest Oil and Gas Field Company. This series of boilers adopts a membrane water-cooled wall + large furnace chamber design to enhance heat transfer efficiency, and the economizer reduces exhaust gas temperature, thereby achieving a boiler thermal efficiency of up to 98%