Giuseppe Darrigo is the new head of Malaysia’s Petronas Lubricants International, effective March 1. Regional Head of Europe since 2013, D’arrigo will take over for CEO Encik Amir Hamzah Azizan. Tianhe Chemicals Group reported that it has retained Zhonghui Anda Risk Services Ltd. to review its financial reporting procedures and internal control systems and advise about conformance with the Hong Kong Stock Exchange. The exchange suspended trading of Tianhes stock 11 months ago for failure to file financial results.