Established in 1998, Zhongshan Shangfang Instrument Meter Co., Ltd. (Shangfang) started business from customizing digital temperature controllers for freezers. According to the idea of "credit rooting quality, quality creating brand", we have developed to a comprehensive enterprise after years endeavor. We can produce a whole series of digital temperature & humidity controllers which are widely used in refrigeration, air conditioning, heating, food and packaging machinery and other industries.Shangfang controllers have the characters of compact design, easy operation, strongly anti-jamming and stable performance. Moreover, they are UL, CE, CQC and RoHS approved.Shangfang is ISO9001:2000 certified. Each production procedure is processed under austere safety & quality control, and each product should pass the evaluations of strick aging, environmental temperature & humidity tests before leaving factory to ensure that customers can use Shangfang controllers of excellent quality.