http://www.tetraethylleadcn.com/The office is in Lujjiazui Finance and Trade Zone.聽 Competitive Advantage Our product: Tetraethyl lead is only used for aviation gas.聽 It is one good Anti-Knock compound for aviation gas. We are the sole exporter for this product in China.聽 We sell this product to main refineries of aviation gas.聽 The specification is as follows: Tetraethyl Lead: 61% min. 1,2-Dibromoethane: 36% min.聽Tel Tetraethyl Lead website:http://www.tetraethylleadcn.com/