Tiande Chemical Holdings Limited headquarter in Hong Kong, is a specialized fine chemical manufacturer listed on the Main Board of the Hong Kong Stock Exchange in October 2006.Now, Tiande is the largest manufacture & exporter of Ethyl Cyanoacetate in the world and the leading maufacturer & exporter of Methyl Cyanoacetate, Diethyl Malonate, Mimethyl Malonate and Tertiary Butyl Alcohol. In 2005, Tiande Chemical has set up a whollly owned company, Weifang Binhai Petro-chem Co., Ltd. at hanting ocean chemical area, Weifang, Shandong, P. R. China,The Company has four wholly-owned subsidiaries located in Mainland China, they are: Weifang Common Chem Co., Ltd., Shanghai Dehong Chemical Co., Ltd., Weifang Parasia Chem Co., Ltd., Weifang Binhai Petro-Chem Co., Ltd. The principal activities of the Group is sales and distribution, manufacturing, and research of fine chemical products including Cyanoactates, Malonates, Ethanol, Methanol, tert-Butanol, Sodium Cyanide solution, iso-Butylene, PIB, etc, which are widely applied in the synthesis of pharmaceutical products, pesticides, adhesive products, sealants, coating material and aromatics etc. As a subsidiary of Tiande Chemical, Weifang Binhai Petro-chem Co., Ltd. focuses on the R&D, manufacture and sales of iso-Butylene and its derivatives, mainly Poly iso-Butylene (PIB), and Methanol etc.