Zhengzhou Boiler Co., Ltd (the original Zhengzhou Boiler Factory), founded in 1945, is a joint-stock enterprise with A1, A2, C3 industrial boiler design and manufacture license permits. 70 years' experience in pressure vessel design and manufacturing has rewarded us with an autoclave production line, an industrial boiler(oil & gas fired boiler, chain grate boiler, circulating fluidized bed boiler, waste heat boiler) production line, an AAC plant production line. We are reliable boiler manufacturer with A Grade boiler manufacture and design license, ASME, ISO certificate.