Yasekwa ngo-1984 yi-Chinese Academy of Sciences.Iminyaka engama-38 yamava okwenziwa kwamavili abrasive abrasive-bonding.
Iimveliso ze-OEM zisasazwe kumazwe angama-130.Iimveliso zohlobo lweRobtec zisasazwe kumazwe angaphezu kwama-36.
UJ Long wayesele enabasebenzi abangaphezu kwama-300.
Umthamo wokuvelisa we-J Long ufikelele kwi-500,000pcs ngosuku.