Cibiyar Kimiyya ta kasar Sin ta kafa shi a shekarar 1984.Shekaru 38 na gogewar masana'antar resin-bonded abrasive ƙafafun.
An rarraba samfuran OEM zuwa ƙasashe 130.An rarraba samfuran samfuran Robtec zuwa ƙasashe sama da 36.
J Long yana da ma'aikata sama da 300.
Ƙarfin samarwa na J Long ya kai 500,000pcs kowace rana.