Shanghai (AFX-ASIA) – China Petrochemical Corp (Sinopec Group), the country’s largest refiner, has sold the 100,000 tons of diesel oil allocated for export in July, a trader with China International United Petroleum & Chemical Co (Unipec) said. Sinopec Group decided to export 100,000 tons of diesel fuel in July, 50% lower than the 200,000 tons…