Dongguan TinFin Hardware Electronics Technology Co., Ltd., established in 2003, is a professional manufacturer and exporter that is concerned with the design, development and production of springs. We are located in Dongguan, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of markets around the world. Covering an area of 500 square meters, we now have over 30 employees and an annual sales figure ...