Wentian Yu

HC Hangzhou Great Star Industrial Co.: 1 patents #2 of 2Top 100%

HC Hangzhou Great Star Tools Co.: 1 patents #2 of 3Top 70%

Overall (2016): #186,934 of 481,213Top 40%

Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9421675	Adjustable torque screwdriver	—	2016-08-23