GS-Power Instrument Co., Ltd is a professional & high-teach enterprise specializing in developing and manufacturing temperature & humidity controller products in refrigeration and baking industrial field. Established in 2003, GS-Power controllers have the characters of compact designãeasy operationãstrongly anti-jamming and stable performance etc. The controllers are ETL ãCEãTUV and RoHS approved. Each production procedure is processed under austere safety& quality control, each product needs pass strick agingãenvironmental temperature& humidity tests before leaving factory to ensure the customers choose Shangfang all over the world can use the controllers of excellent quality.