OIML 5kg 10kg 20kg Cast Iron Standard Calibration Test Weight Shanghai Puchun Measure Instrument Co., Ltd. Base Info Model NO.:FM-CIMaterial:Cast IronSpecification:5~2000KgOrigin:ChinaHS Code:8423900010 Description Pre:M1 Class 500kg Cast Iron Calibration Test OIML Weight Next:M1 F1 F2 E1 E2 Class Standard Calibration Test Weights