size:M6-M20
material:carbon steel/ss 201/304/316
surface: white zinc/yellow zinc
packing:samll box /carton/pallet
payment:T/T,L/C
delivery port:shanghai,ningbo
material:carbon steel/ss 201/304/316
surface: white zinc/yellow zinc
packing:samll box /carton/pallet
payment:T/T,L/C
delivery port:shanghai,ningbo











