Sinopec Hunan Petrochemical Co., Ltd. Hunan Petrochemical'S New 50,000 Tons/Year Oil Slurry Hydrogenation Purification Unit Project Vacuum System\Non-Condensable Gas + Air + Water 300M3/H Inlet>4~5Kpa(A)>20~150℃ Outlet>100~150Kpa(A) Tender Announcement