... weight, high strength and good tensile5.The type B belt is imported from Korea, wider, thicker and 35 ... % durable than type A widely used in this line.6. The ... , customized design, maintenance and disassembly is convenient9.The seven strict quality inspection, vibration test, concentric ... 1250HE12504201.12.8400001380*1380*40079 First class negative pressure cooling fan