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standard or non standard sprockets
made according to ANSI, DIN, JIB, BS standard
or with client's drawing
C45 steel,steel, nylon, iron cast material
heat treatment
sprockets motorcycle sprocket roller chain sprockets martin sprocket sprocket wheel
Hangzhou Hetd Industry Co., Ltd.
Sprocket&Chain,Gear &Rack,V Belt Pulleys,Timing Pulleys,Couplings
