Shanghai Zhengyu Trade Co., Ltd. is a manufacturer of door handle, lock body, lock cylinder, knob lock, door hinge, cabinet handle, etc. with well-equipped testing facilities and strong technical force. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in residential and commercial application and other industries. Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!