... Brief Introduction to SC Series of Construction Hoists / Elevators / Lifters/ LiftsThe SC series of ... industry and so on. Being suitable for the vertical transport of materials and people ... the registered trademark of Shandong Hongda Construction Machinery Group Co., Ltd., has been ... hammer-head, flat-top, multi-speed, stepless-speed), Construction Elevators(multi-speed, stepless-speed), Concrete ...