1970 ESTABLISHED SANSHO KENMAZAI IN TOKYO STARTED TO SELL “PLASTIC DEFLASHER” AND TO DEVELOP AND SELL PLASTIC BLAST MEDIA “NYLON SHOT”
1975 STATED TO SELL “AIRBLASTING MACHINE” AND “BARREL FINISHING MACHINE”
1979 STARTED TO SELL “RUBBER DEFLASHER”
1982 INCREASED CAPITAL TO JPY 10,000,000
2004 STARTED TO SELL THE USED MACHINES
2015 CELEBRATED 45th ANNIVERSARY