8 Utility and 3 Design Patents
#2,555 in Shanghai
#16,448 in China
#519,349 in the World
rank by utility patentsForward Citations = 1,004
Company Filing History:


Shanghai Well-sun Precision Tools Co., Ltd.
4. 2 out of 3
Gracell Biotechnologies (shanghai) Co., Ltd.
5. 1 out of 5
Shanghai Yisi Medical Technology Co., Ltd.
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