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In China,our company is the largest supplier of Defrost timers used for refrigerators and freezers.

We have been keeping long-term friendly cooperation with 53 producers of household appliances such as Meiling,Kelong ,Hualing and so on.

In 2003, We contain 52% proportion in Defrost timer making market.We maintain long-term cooperation and good connection with many enterprises in Asia ,even all over the world.

History

In 1964,state-owned factory 210 (in subjection to China Academy of Launch Vehicle Technology)was founded,which was specializing in manufacturing and R&D sensors and control modules used for space flight.

In 1987,civil product manufacturing department of 210 Factory named Beijing Jianhua Electronic Apparatus Factory was founded,which is specializing in manufacturing and R&D household electric appliance controls.

In 1989, Beijing Jianhua Electronic Apparatus Factory achieved a productive capacity of producing refrigerators' Defrost timers in great batches. In the same year, the Jianhua factory drafted Defrost timer's international compilation of China.

In 1993, Beijing Jianhua Electronic Apparatus Factory reached a capacity of producing 500 thousand defrost timers a year.

In 1998, Beijing Jianhua Electronic Apparatus passed ISO9001 Quality Certification System .

In 2002, Beijing Jianhua Electronic Apparatus was renamed as Beijing Haitailong Electric Co.,Ltd.

Between 2003-2004, we had CQC,UL and VDE certificates.

In 2004, Haitailong Electric Co.,Ltd.removed the workshop to this new place.