Shanghai Yajing Electronics Co., Ltd. is a first tier agent authorized by Danfoss in Denmark for industrial and ship control German authorized agent of ContiTech hydraulic pipes, authorized dealer of Johnson Controls in the United States, mainly representing Danfoss pressure switches, Danfoss differential pressure switches, Danfoss temperature switches, Danfoss pressure transmitters, Danfoss temperature sensor transmitters, Danfoss solenoid valves, Danfoss solenoid valve coils, Danfoss vacuum valves, Danfoss steam valves, Danfoss external control valves, Danfoss self-excited temperature controlled water valves, Danfoss isolation valves, Danfoss pressure test valves, Danfoss Heat exchangers and other related products. German ContiTech hydraulic fittings, American Johnson Controls instrumentation.