Welcome to understandingHeng Yuanand hope that our products helpyou.Qingzhou Hengyuan Temperature--Controlled Equipment Coï¼ï¼Ltd islocated in Qingzhou economic development zoneï¼Our company have been committed to the development and promotion ofnational green energyâsaving products for many yearsï¼It is ahighâtech enterprise which has a completed set of engineeringdesignï¼manufacturingï¼installation and servicesï¼Our productivecapacity and core technOlogiesOccupy first place in the sameindustryï¼Company has relatively strong production and research anddevelopment abilityï¼Our main products includeï¼Ventilation coolingsystemï¼such as largeâscale poultry fanï¼large scale fan forgreenhouse and factory buildingsï¼negative pressure fanï¼circulationfanï¼unpowered roof fanï¼Cooling humidification systemï¼such ascooling padï¼heating system such asautomaticcoal(fuelãelectricãgas)heaterï¼induced draft fanï¼Manurecleaning system consist of manure cleaning machineï¼Now our products sell well in more than 20 provinces andcitiesï¼autonomous region and exports to Europeï¼Asia and SO onï¼The products produced are welI received by domestic andinternational customer We have been awarded the title ofChinaTen Top SelI Well Brands FanChina Quality Faith and Consumer TrustUnitAAA Levels of Quality and Honesty Member Unit.