Hand Hoist, Hand Pallet Truck, Electric Hoist manufacturer / supplier in China, offering Ew-5 Welding Tool Load Balancer Spring Balancer 5kg 8kg 20kg 60kg Balancer, Yellow 1.5m Spring Balancer Industrial Grade 50-60kg OEM Customizable Spring Balancer, Portable 3 Kg Spring Balancer 2 M Stroke Auto Brake Safety Tool Retractor Balancer and so on.