17 Utility Patents
#164 in Hangzhou
#6,993 in China
#211,355 in the World
Forward Citations = 20
Company Filing History:
Sanhua (hangzhou) Micro Channel Heat Exchanger Co., Ltd.

Hangzhou Golden Sun Auto Parts Co., Ltd.
4. 1 out of 832,718 patents
Other
5. 1 out of 961

where one patent can have more than one assignee
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