... "/18" Oregon or Chinese chain+bar chain speed: 13.5 m/s with SDS overall FFU good quality TGCS-3191-XXXXRated voltage ... / 1800W / 2000W / 2200Widling speed: 6000-7000 rpmchain speed: 13.5 m/sbar length: 14"/16"18" (35/40/45cm)Certificate:GS ... China mainland)All TRIO staff was key member of ZQ’s sales team, project team, R&D team, engineer team and ...