Dear Sir How are you? We can supply chemical material in any grade and any qty you want. Best Paraffin wax and SALT FOOD GRADE and Bitumen &Strontium Sulfide and Caustic Soda in Iran that we are exporting all over the world, including China and the United States and the Arab countries of Persian Gulf and Europe. Once you purchase from us will be our long-term customers. Please look our website; www.ccico.blogfa.com . Our terms payment it can be by European banks L/C or Dubai Banks and by TT advance payment, inspection by SGS. Delivery time Max 30 days after receipt L/C or TT .we are waiting for your warm and serious reply.