QD Double Girder lifting hook Bridge Crane is suitable for machining plants, assembly shop, metal structure workshop, metallurgical, foundry workshop and kinds of warehouse’s material transportations. QD Double Girder grab bucket Bridge Crane is fit for transporting some loose and large quantity of grains and particule indoor or outdoor in metallurgy, cement and chemical industries.

Operation grade: A5（normal frequency usage, as in machinery and assembly workshops）; A6（high frequency usage, as in metallurgy and foundry）

Six rated lifting weights: 5t、10t、16/3.2t、20/5t、32/5t、50/10t,（dividend represents major hook load, divisor represents assisting hook’s load）