Nanjing TP Thermal Engineering CO., Ltd. (Abstraction is NTEC ) is a joint venture invested by Nanjing Navigation& Aids Assemble Factory (the old name is Nanjing Navigation Instrument Factory) and TPR Thermal Engineering Co., LTD.(TPR Thermal Engineering CO., Ltd. Japan), was established in July 2002, and lies in Nanjing Economic& Technological Development Zone. 

NTEC specializes in researching & developing the temperature auto-control valves (TCV) and owns wax type temperature control valve world class researching & developing, testing, managing experience. Has acquired ISO:9001 quality system and ISO14001 environment system certificate. TP wax type temperature control valve TCVs have been checked by society class such as DNV·GL, LR, BV, NK, KR, RINA, ABS, RS and type approved by CCS. 

TP wax type temperature control valve TCVs widely used in ship-building, engine, lubricate equipment, central air condition etc. With wax type temperature control valve excellent product quality and high grade after service, NTEC has won the unanimous recognition of customers, and its performance and popularity are in the leading position in the world.