... 3,Poly V belt provides better transmission 4,Ergonomics designed anti-vibration Liaocheng Yangfine Jeonil Machinery Co., LtdTel:+86-635-2921122Fax:+86 ... .3, Poly V belt provides better transmission.4, Ergonomics designed anti-vibration handle with height adjustable to reduce fatigue5, Gas shock absorber ...