Shandong Aojin Chemical qhia tus nqi kom zoo dua ntawm kev muab thiab xa khoom polyvinyl chloride SG5. Shandong Aojin Chemical khoom siv PVC. Cov hom muaj xws li SG3, SG5, thiab SG8. Tag nrho cov hom loj yog muaj rau kev muag khoom. Yog tias koj xav tau polyvinyl chloride, thov sab laj Aojin C ...