32 Utility and 1 Design Patents
#553 in Shenzhen
#3,173 in China
#83,146 in the World
rank by utility patentsForward Citations = 11
Company Filing History:

Btr New Material Group Co., Ltd.
Other
4. 3 out of 5
Shenzhen Danya Technology Co., Ltd.
5. 2 out of 897

where one patent can have more than one assignee
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