Metal Construction Elevator Parts Construction spring

Packaging Details: wooden case Delivery Detail: about 7-15 days after receiving T/T payment Describe:spring is main part of gear reducer in construction hoist/elevator, used for controling and adjusting the speed of motor. Material: , Steel, Stainless steel, etc. Size:customized Quality: 100% inspection on critical dimensions or follow your special requst Description: spring is main part of gear reducer in construction hoist/elevator, Tag: elevator spare parts, construction