Shanghai A Cheng Electric Co., Ltd. is a research and development, production, sales of the relay in one of the modern high-tech enterprises. Adhering to the "advance with the times, pioneering and innovative" concept of enterprise development, A Cheng will melt in the modern science and technology R & D and production, to create a series of products with high technology content quality relay. Tracking the world's leading technology, the future development of space. A Cheng with a full range of technical support, excellent after sale service, strong financial strength, and achieved a good reputation in the industry. Haspassed ISO9001 international quality system certification, and obtained the 3C certificate. The tireless efforts of A Cheng, ride the wind and waves in promoting economic tide in the new century, the next,march forward courageously!