1. Siv raws li tus txheej txheem sab hauv cov txheej txheem ntawm cov roj hmab masterbatch, dav siv hauv kev siv hluav taws xob roj txheem polyethylene hydrocarbon.
2. PVC profile, yeeb nkab, yeeb nkab fittings, PE.PP raws li ib tug dispersant pigment, lubricant thiab brightener thaum lub txheej txheem molding, txhim khu lub degree ntawm plasticization, txhim kho lub toughness thiab nto smoothness ntawm cov khoom yas.
3. Xim, pleev, xim tshwj xeeb txoj kev xim xim, tus neeg sawv cev rau tus neeg muag khoom, xim ci, cov teebmeem ua kom zoo, kom cov khoom muaj cov lus zoo thiab peb lub ntsiab.
4. Siv hauv ntau hom kub yaj, cov thermosetting cov hmoov coatings thiab PVC composite stabilizers.
5. Siv dav hauv av pem teb, tsheb ciab, tshuab ci ntsa iab, tswm ciab hauv ntau cov khoom siv cwj pwm, txhim kho qhov muag khoom ntawm cov khoom siv, ua kom nws lub zog thiab qhov sib txawv.
6. Hauv kev lag luam roj hmab, txhim kho qhov ci ntsaig thiab qhov tsis zoo ntawm cov khoom tom qab tshem tawm cov ntaub ntawv tawm, txo cov nqi ntawm paraffin, thiab txo nqi ntau lawm.