Shanghai Koyo g Dsy technology Ltd was founded in 1982, after 20 years of carve, has become the electronic sensor enterprise development, design, production, sales as one of the. The company's main products are: proximity switches, photoelectric switch, frequency switching, analog sensor, speed sensor, displacement sensor, pressure sensor, electronic cam controller, electric pull rod, a variety of modules and other electronic products. Products are widely used in metallurgy, textile, food, military industry, packaging, printing machinery and equipment. In 2002 the company passed the ISO9001:2000 quality management system certification, to ensure the high quality of the products. At the same time, along with the company scale unceasingly expands, increasing the development of high and new technology, in recent years the company has also obtained the praise from all sectors of society.