Dear sir and madam,Have a nice day!This is Serena come from Shijiazhuang One Two Chemicals Co., LTD. We are a manufacturer for chemicals, our main products are detergent chemicals such as SLES, LABSA, TCCA, STTP and Caustic Soda, others also have Gum rosin, PVC resin and MEG, DEG ect...Welcome to inquiry!Best regards,SerenaSales Manager