Yasungulwa ngo-1984 yi-Chinese Academy of Sciences.Iminyaka engama-38 yesipiliyoni sokukhiqiza amasondo abrasive ahlanganiswe ne-resin.
Imikhiqizo ye-OEM isatshalaliswe emazweni ayi-130.Imikhiqizo yomkhiqizo we-Robtec isatshalaliswe emazweni angaphezu kwama-36.
U-J Long wayesenabasebenzi abangaphezu kuka-300.
Umthamo wokukhiqiza we-J Long ufinyelele ku-500,000pcs ngosuku.