Shanghai Koyo Oxen Electronic Technology Development Co., Ltd. was founded in 1982. With 20 years of hard work, our firm integrates development, design, production and sales. Main products are proximity switches, photoelectric switches, frequency switches, analog sensors, speed sensors, displacement sensors, pressure sensors, electronic cam controllers, electric trolleys, various modules and other electronic products. The products are widely used in metallurgy, textile, military, food, packaging, printing machinery and equipment fields. In 2002 our company passed ISO9001:2000 quality management system certification, ensuring high quality products. At the same time, our company has accordingly received praises from clients.