1.The rollers are widely used for carport doors, working temperature between -30 degree to 50 degree.
2.We ourselves design and make the stamping toolings, machining tools etc for better quality assurance and cost saving.
3.We parts are all 100% quality inspected before packing and shipment.
4.We always stand closely with our customers, from small to large, new to old.We think doing business just as same as making close friends.