Shanghai GYOK electronic Technology Development Co., Ltd. was established in 1982, through the hard struggle of more than 20 years, nowit has already developed into design, produce, sell as a organic whole electronic sensor enterprises. Main products that our company produces are electric equipment products, such as the close switch, photoelectric switch, frequency switch, simulation sensor , speed sensor , displacement sensor , pressure sensor , electronic cam controller , electronic pull rod , various kinds of module , etc.. The products are applied to the metallurgy , textile , war industry , food , packaging , printing mechanism extensively. The company passed ISO9001: 2008 quality management system authentication in 2008 , and guaranteed the high quality of the products. At the same time with the strengthening constantly of company's scale, new and high technology is growing, the company has obtained the favorable comments of the various circles of society correspondingly too in recent years