Inventor

GAO DU-XI

CN2 patents

Patents

2 patents

US8454347B2Jun 4, 2013

Sprue device for use in an injection mold

WEI DIAN-HONG0 citations34

US8556613B2Oct 15, 2013

Injection mold having a mold core detachably mounted in a mold base

WEI DIAN-HONG0 citations31