Huicong chemical network news: the third line of 45000 T / a butyl rubber unit of Sinopec Yanshan Petrochemical is in normal operation. At present, brominated butyl rubber is produced, and the new 90000 T / a unit has not been started yet. It is planned to produce 2500 tons of ordinary butyl rubber in July. Butyl rubber quotation: the quotation of 1751 high-grade products is 19900 yuan / ton, and the quotation of 1751 qualified products is 19400 yuan / ton. The inventory is normal and the sales is normal.