Shandong Zhongjie Pressure Equipment Co., Ltd (Formerly Heze Boiler Factory Co., Ltd) was founded in 1984. After more than 30 years of development, the company has become a professional equipment manufacturer with four major product segments: pressure vessel, industrial boiler, central air conditioner and engineering installation with  integrated R&D, design, production, installation, commissioning and technical services. Our company has Class A pressure vessel design certification, Class A pressure vessel manufacturing certification, Class B boiler manufacturing certification, GC2/GB2 pressure pipe installation and renovation maintenance certification, boiler level 2 installation and renovation maintenance certification, Class A II refrigeration and air conditioner equipment maintenance and installation certification and so on. Our factory is located in the High-tech Development Zone of Heze City, Shandong Province. It has a research and development design center and three production bases. It covers an area of 200,000 square meters and has more than 750 employees, of which engineering and technical personnel account for more than 20%. Our company's leading products are: industrial and civil biomass boilers, fuel gas boilers, organic heat carrier boilers, waste heat recovery boilers, refrigeration auxiliary machines and first, second and third types of pressure vessels, heat exchangers, ground source heat pump units,etc. We keep improving our products, build our own brand, pursue the best quality with safety first. Welcome friends all over the world come and visit our factory!Our main products as below:1)WNS/SZS Oil Gas Fired Steam Boiler/Hot Water Boiler;2)DZH/DZL/SZL Model Biomass Pellet Wood/Coal Fired Steam Boiler / Hot Water Boiler;3)YY(Q)W Series Natural Gas or Diesel Oil or Heavy Oil Fired Thermal Oil Boiler;4)YGL/YGW/YLW Type Solid Fuel Wood Pellet Biomass Fired Thermal Oil Heater Boiler;5)Waste Heat Recovery Boiler;6) Stationary LPG Storage Tank (5000L to 200,000L)7) Cryogenic Storage Tank (LNG Tank, Liquid Oxygen/Nitrogen/Argon/LCO2 Tank)8) Mobile Skid Mounted LPG Filling Station (5000L to 60,000L)9) Integrated design, manufacturing, and installation services