Dear Sir or Madam: Please receive our best regards. We supply carbon black N220,N234,N326,N330,N339,N550,N660 ect. We Shandong Cabot Import & Export Co., Ltd is a leading manufacturer of CARBON BLACK ,our item has been exported to more than 60 countries. 'Serve our clients the superior quality with most competitive price' is just what we insist, and we are also a member passing the ISO9001:2000, CQC certification I assure thatyou will get satisfaction with our product. We are one of the biggest the export companies about the carbon black. SO we hope you are interest in the carbon black. Our goods are both excellent in quality and reasonable in prices. We are writing you in the hope of establish business relations between us. We are looking forward to receiving your early reply. Yours faithfully, patty