Shanghai Thermostat Factory CO., Ltd (STF) is a professional manufacturer of refrigeration and air conditioning parts with more than 70 years' history in this industry.
In 1985, STF started to cooperate with ALCO to produce T series expansion valves. STF is the first Chinese company which has the mixed infusing technology in expansion valve production. In 1993, established Shanghai Johnson Controller Co., Ltd with Johnson Controls to produce YK series pressure switches.
In 1996, FDF-M series diaphragm solenoid valve was certificated as National Grade New Product. From 2012 to 2014, Three years Excellent Supplier awarded by Johnson Controls. In 2013, Got support from the government's High-tech Innovation Fund .Till 2019, STF has kept a 19-year record of being a Carrier Q+ Level II supplier.
STF‘s main products include solenoid valves, thermostatic expansion valves, sight glasses, filter dryers, pressure switches, pressure difference switches, temperature controls, check valves and ball valves etc. UL and CE certified products can be offered according to the demands. Products are designed for freezing, refrigeration, air-conditioning, precision AC etc. and widely used by Carrier, York, Trane, Dunhambush, McQuay, Midea,Gree,SHENLING,Haier etc. The products are exported to America, Europe, Africa, Australia, Asia and other regions，praised by users.
STF focuses on specialization and always gives the best solution of localization. Driven by continuous innovation in technology, STF is pursuing to be a leading enterprise in our area.
