Henan Yuanda Boiler Co., Ltd. (former Xihua Boiler Factory), founded in 1956, is one of the first state permitted key boiler manufacturers. With production qualification of B level boilers and D level pressure containers, we are member unit of Ã¢ï¿½ï¿½China Industrial Boiler AssociationÃ¢ï¿½ï¿½ and Ã¢ï¿½ï¿½China Welding AssociationÃ¢ï¿½ï¿½ and Ã¢ï¿½ï¿½Henan Contract-honoring & Promise-keeping EnterpriseÃ¢ï¿½ï¿½. We have passed the certification of ISO9001-2000 Quality Management System.