Hebei factory direct production of silage harvester machinery located in Hebei Province, Hebei letter poly Promise County, Hebei letter poly machinery R & D, manufacturing, sales, products mainly silage machine, corn stover harvester, straw shredders, forage harvester, etc. . Hebei letter poly machinery currently has outstanding technical talent, mature market channels, a good reputation, including technical staff accounted for more than 30%, the technical backbone for many years been frequent mutual cooperation and exchange, with the same technology development concept, through together running, have formed a highly skilled innovative product solutions. Hebei letter poly machinery, its quality, durability, praise users. Over the years, we have been working to improve the R & D capacity, in recent years, we have produced a new generation of poly letter 4QB-90-type self-propelled forage harvester, to fill the gaps in Hebei Province, self-propelled forage harvester in the field of machinery, the machine once completed harvest crops, chopped, rub, throwing loading and other operations, we produce a new generation of letter poly silage 4QB-90 type machine for harvesting silage corn stalks lodging especially other silage machine can not be done directly chopped into livestock eating the crop silage, greatly reducing the labor force and reduce production costs. We adhere to the benefit of farmers, agricultural services, to accelerate the mechanization of agriculture as their responsibility, in line with the continuous development of innovative and pragmatic philosophy, robust and reliable transmission quality, warm and thoughtful spirit of enterprise for farmers brothers contribute their strength . Hebei factory direct production of silage harvester