Established in 1990, Yueqing Zhongde Spring Co., Ltd. is plastic and metal parts OEM factory. Our Main Products are: Spring Compression Spring Torsion Spring Tension Spring CNC turning part Plastic injection part Metal Stamping Iron Casting. Now, our products cover more than 10,000 styles. Our factory covers a building area of 3,000 square meters. We are equipped with 200 sets of equipment and have passed ISO9001:2000 quality control system certification. We have skilled workers to ...   |