At present Shenyang Chemical Co. Ltd. won a second-level prize of Liaoning Province Excellent New Products for anti-demulsification technology of Paste Resin of Vinyl Chlorine -Acetate Copolymer. Shenyang Chemical is sole producer to manufacture Paste Resin of Vinyl Chlorine –Acetate Copolymer in China, which fill the gaps domestically and take back 85% domestic market quota from foreign enterprise. As anti-demulsification technology was developed successfully this time, production level and product quality for Paste Resin of Vinyl Chlorine –Acetate Copolymer have been improved further, and competitiveness of international market has also been strengthened. Meanwhile, it will tighten up utilization performance stability of downstream products such as PVC automobile plastisol ( chassis armor) and PVC carpet with Paste Resin of Vinyl Chlorine –Acetate Copolymer as raw materials.