Zhengzhou Dahua metallurgical plant; Zhengzhou boiler plant - China

The plant is the states major enterprises, the Ministry of Industrial Boiler mechanical key enterprises, the Central Plains is the largest manufacturer of boilers, boiler manufacturers of Class B permits and a second-class permit .1986 Pressure Vessel Manufacturing, the plant has won two national patent; Zhengzhou City, Henan Province outstanding New Products for eight; Science and Technology Progress Award five; Province Recommended Award four Energy-saving products; ministerial-level Energy-saving products and departmental standards Product Award 4.