Hoolei Uretana
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Hoolei Uretana
He aha ke ʻano o ka hoʻolei ʻana a me ka Urethane?ʻO ka polyurethane vacuum casting kahi ala no ka hana ʻana i nā prototypes kiʻekiʻe a i ʻole nā haʻahaʻa haʻahaʻa o nā ʻāpana i hoʻokumu ʻia mai nā mold silicone cheap.ʻO nā kope i hana ʻia ma kēia ʻano e hōʻike i ka maikaʻi ...Heluhelu hou aku
