Nanjing Sigma Microelectronics Institute Private Limited started off as a leading Manufacturer and Retailer of Hall Effect Setup. Since inception, our production facility has marked perfection in terms of quality and reliability of Hall effect sensor, delivered worldwide. Nanjing Sigma Microelectronics Institute was inaugurated back in 2013 with US$1 Million initial business capital, holding export history over 7 Years .Construction equipment and material demands finest quality in terms of make and aesthetic appeal and by successfully complying with industrial demand we have reached Approx 2 Million US Dollar annual revenue and Israel,India,Italy,South Korea,United Kingdom export market share. We take pride in our credibility, operating with a Have Own Export License in Nanjing, Jiangsu, China.Our corporate venture follows strict quality control procedures, thanks to state of the art equipment and skilled professionals. With years of experience we have mastered the art of developing finest quality products with sourcing raw material that guarantees reliability and years of service. For product queries and pricing details contact will.