BXC series: mainly domestic agricultural machinery series models, rectifier bridge heat sink is iron and aluminum, its power are relatively small, is a sintered product; most of the sintered products, the cost is relatively low, most of the use of iron pole plate and pressed aluminum pole plate; domestic agricultural machinery finishing bridge durability, easy to install and maintain, cost-effective, and able to provide more timely localization of the support; solid and durable, inexpensive, borrowed from the foreign mature shape design, mostly adopting iron plate as radiator.