... ,15t,20t,30t,40t,50t 3.OIML III Crane scale for mining Introductions:It can be used ... calibration, it can support the use of electronic crane scale with various tonnage.2.Easy to operate: ... the scene without return to factory.Technical parameters Model OCX-XC-AOCS-3OCS-5OCS-10OCS-15OCS-20OCS ... me.Mobile:0086-18939565109Trademanager:cn1001747995Skype:luckstar0506QQ:2353491752 Crane scale for mining