Longwei Petroleum Raises Full-Year Guidance with Increased Revenue Contribution from its Huajie Facility

TAIYUAN CITY, China, Jan. 2, 2013 /PRNewswire/ -- Longwei Petroleum Investment Holding Ltd. (NYSE MKT: LPH) ("Longwei" or the "Company"), an energy company engaged in the storage and distribution of finished petroleum products in the People's Republic of China ("PRC"), today...