Inventor

Gong chuang

CN2 patents

Patents

2 patents

US11207798B1Dec 28, 2021

Multi-set clamping fixture for diamond machining

SHANGHAI ZHENGSHI TECH CO LTD10 citations75

US12018362B2Jun 25, 2024

Singapore diamond preparation method

SHANGHAI ZHENGSHI TECH CO LTD0 citations40