Txheej txheem kev taw qhia 3/4 ntawm cov tshuab moulded khoom yog tsim los ntawm extrusion tshuab molding.Cov txheej txheem extrusion yog yuam cov khoom los ntawm lub qhov los yog tuag los ua cov khoom.Cov txheej txheem extrusion tshuab molding muaj 5 kauj ruam: 1. Yas preform (extrusion ntawm hollow yas raj).2...
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