Aise ohun elo tiwqn ati awọn ini ti PVC igi ṣiṣu.PVC igi lulú ati okun igi ati kikun inorganic (kaboneti kalisiomu), lubricant, stabilizer, foaming agent, foaming regulator, toner and other related additives (plasticizer, toughening agent, coupling agent), etc. 1, resin domest ...
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