We(Gaoyao Jinli Kingfor Hardware Factory)have been 20 years of professional manufacturing experience , business in all kinds of door control hardware ,which include floor spring ,ptch fitting ,central lock ,shower hinge ,glass clamp,alumminum door lock ,roller shutter lock . During the 20years, we have been studying the technique and searching the best ways to improve the product, control the quality and decrease the cost. We have our own mold shop to make the design and test. We put quality inspectors in every process to complete working lines from spare parts to whole set assembly. With...