M1 Class 500kg Cast Iron Calibration Test Weight OIML Shanghai Puchun Measure Instrument Co., Ltd. Base Info Model NO.:FM500Material:Cast IronSpecification:500KGOrigin:ChinaHS Code:8423900010 Description Pre:M1 Class 1000kg Cast Iron Calibration Test Weight OIML Next:OIML M1 Class 500kg Cast Iron Calibration Test Weight