The calcium carbide plant of China Petroleum Jilin Petrochemical Company was built in 1955. Coverage 1 18 hectares, original value of fixed assets 13. 1 1 100 million yuan. The factory is divided into four production systems: coking, chlor-alkali, organic and fine chemicals. It has 13 sets of coking, acetaldehyde, acetic acid, acetic anhydride, electrolysis, chlorosulfonated polyethylene, silicone, acrylic acid and ester, alcohol ether and AES, and produces 29 main products such as metallurgical coke, acetaldehyde, acetic acid, acetic anhydride, DMC (silicone), AES, alcohol ether, acrylic acid and methyl acrylate/b/butyl ester.