Maximum rated torque(KM*m) 630 Maximum lifting load(t) 5 Maximum working amplitude(m) 50 Hosting height(independent) M. 40 Hosting height(adhered) M 150 Lifting capacity at jib tip(t) 1.0 This is Jinan Hengsheng Engineering Machinery Co., Ltd from China. It is a manufacture factory. So we can provide you a low price with high quality. Our products ISO9001: 2000 international quality system certified.