Foshan Nanhai Xulong Spring Factory specializes in producing various kinds of springs. Our factory occupies an area of over 5,000m2 with a floor area of 6,000m2. We feature advanced equipment, modern workshops, strong technical strength and professional technicians. All our products are sold well around the world. Our springs are manufactured according to the state standard and have been authorized the testing certificate issued by Shanghai Traffic University Elevator Testing Center. ...