... hand fired furnace. It is also a kind of rotary dryer, mainly by the rotary body, leading-wind device, high speed scattering ... by the certificate: About UsHenan Qiangyuan Machinery Co.Ltd., owning an existing asset of 32,000,000 Yuan RMB, covers an area of ... Co.Ltd.Our company commits to the research and development of the drying equipments all the year round, and constantly developing cost ...