tshiab ntau lawm kab 2000 tons siab extrusion tshuab assembling tag
Qhov no txhuas extrusion chav intensive quenching tsev zoo soj ntsuam ntawm ntau yam tsis zoo kom thiaj li ua tau qee yam nws tsis muaj kev tsis txaus siab.
Tsim tawm: 2000 tons txhua hli
