Uru: 1. Emere site na otu nchara dị ka Sandvik.2. CNC machining na elu egwu egwu.3. Anyị nwere ike ịnye ọkwa zuru oke nke Hexagonal na Round drill rods.Oke zuru oke nke okporo osisi hexagonal dị ka n'okpuru.Nha eriri: R22, R25, R28, SSR28, R32, SSR32, R35, SSR35, R38, T38, o...
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