Spring balancer application power master

Shan Dong Finer Lifting Tools co.,LTDproduce spring balancer professionally for more than 20 years. Thespring balancerwith better quality and competitive price.Spring balancer also named power master,tools balancer, load balancer,zero gravity tools balancer.Zero gravity tools balancercapacity from 1 kg to 400 kg, and the stroke is from 1.5 meters to 3.0 meters.If you have special inquiry regarding spring balancer, load balancer, tools balancer, zero gravity tools balancer,