TongCheng is a professional manufacturer of digital room thermostat with experienced work team, we can supply the OEM/ODM services for different kinds of room thermostat including: 1. Heat Pump / Multi Stage / Single Stage 2. Programmable / Non-programmable3. Wireless RF4. Touch ScreenOur products has advantages of very stable quality and very competitive prices, and our product has been export to worldwide especially Europe & America. Welcome inquiry!