Halmert Sensing Tech. Co. Ltd. locates in Suzhou which is the biggest industrial city in China, adjacent to Shanghai. Halmert has around 120 employees with an engineering team of 23 engineers who most worked in sensor field over 8 years, we call them Sensor Experts. In order to be professional, Halmert just concentrates on one product-speed measuring product where include speed sensor, proximity switch and encoder. Just make one product means make it well, to be the best in the world