Deskripsi ProdukDeskripsi ProdukBahan Utama:1)Rumah:paduan aluminium ADC12 (ukuran 571-090); besi cor HT200 (ukuran 110-150);2)Cacing:20Cr, profil involute ZI; perlakuan panas karbonisasi & pendinginan…
we supply one particular-cease answer for the purchase of mechanical power transmission merchandise in China. Good quality and credit are…