Hangzhou Song Hang Technology Ltd. was established in March 2014, is located in Hangzhou Yuhang Liangzhu cultural birthplace, is a collection development, production, and sales of specialized high-tech companies. Our main products include motor protection, power multifunction meter, digital current and voltage meter, intelligent switch control device, GPRS remote wireless communication devices, and industrial automation and control equipment. The main development, production and sales, switchgear intelligent control devices, multi-function power meters, temperature and humidity control, heater, computer protection, electrical fire, short circuit fault indicator, IT doctor isolated power supply, inverter, DC panel and other related instruments The major products development, production and sales, switchgear intelligent control devices, multi-function power meters, temperature and humidity control, heater, computer protection, electrical fire, short circuit fault indicator, IT doctor isolated power supply, inverter, DC panel and other related instruments Instrumentation Products