Yashinzwe mu 1984 n'Ishuri Rikuru ry'Ubushinwa.Imyaka 38 ya resin-ihujwe na abrasive ibiziga byuburambe.
Ibicuruzwa bya OEM byahawe ibihugu 130.Ibicuruzwa bya Robtec byahawe ibihugu birenga 36.
J Long yari asanzwe afite abakozi barenga 300.
Ubushobozi bwo gukora J Long bwageraga 500.000pcs kumunsi.