We are a professional manufacturer of Chemical products in China. And our products has export for many year. Our production as follow: 1. Gum Rosin; 2. Coal Tar; Pine Tar, RPO Rubber Processing Oil 3. Petroleum Resin; Coumarone indene resin; 4. Bitumen (Petroleum Asphalt, Coal Tar Pitch) 5. Reclaimed Rubber; Natural Rubber 6. Paraffin Wax, If you are interest in our products, please contact me, and tell me your Detailed requirements . i will give you a best price. Contact person: Lisa Mob: +86 13231888282 Skype: hszehao E-mail: hszehao@yeah.net MSN: hszehao@hotmail.com