... Temperature Thermostat1.About KeramKeram(Nanjing) Controls& Equipments Co;,Ltd. Was founded in 2000,a professional manufacturer and supplier ... of all air conditioner coil pipe, electric valve, electric wind valve and electric air gate. Nice appearance, comfortable hand ... (with or without motorized c\valvels),damper or electric heaters in heating,cooling and ventilation applications.Modles are availble ...