1.All hoist and crane movements are independent and can be run simultaneously. It can improve on lifting efficiency and using life wastage of the trolley mechanism. 2.High quality welding technology of the crane and NDT inspection. 3.It has many safety protections, such as warning indicator, wireless infra-detector, various safety limits and so on. 4.First class quality with competitive price 5.Reasonable structure, favorable performance; Strong durability 6.Smooth starting and stopping; Superior safety and reliability 7.We can customize all hoists and cranes with different operating conditions;