President : Yoshihiro Komatsu Head Office : 135 Hanei Honmachi, Toyohashi City, Aichi 441-8616 Phone : +81-532-31-6281 Fax : +81-532-32-6858 E-mail : info@marujyou.co.jp Capital : ¥ 30 Mil. Employees : 95

Main Products

Item Type Particulars (For Diesel Engine) Coil Springs Coned disc springs Cylindrical springs (Hylsen) B&W * For L90, L80, L67, L55, L45 * GFCA Various springs  UEC, UET Various types of exhaust valve springs  Various sulzer & UEV 30/40 types Springs for fuel valve, safety valve, fuel pump, starting valve and servomotor  PC 2, 3, 4 types of exhaust valve springs  Mack M552, M453 suction and exhaust valve springs  Others the suction and exhaust valve springs for medium size engines Coil springs Wire diameter : 0.5 - 75 mm Coil outside diameter : - 545 mm  Coned disc spring Outside diameter : 500 mm Plate thickness (As required) Turbine Springs Steam Steam regulation valve spring   Diesel Crank Chamber Safety Valve Assembly B&W and sulzer types   Springs for Sea Bottom Excavator Various springs for the hook block and elastic coupling   Springs for IHI Noru Winch Various springs