Dear Sir,We are a Rubber Chemical supplier in Singapore market.Pls kindly to send me the detailed quotation of Carbon black N550, N330 ,N660 with Granular type (22MT/40f Cont)Meantime could you please furnish the technical data on your Carbon Black and also let us know about the process used in manufacturing of your Carbon Black. Also, can you supply the ISO Certificate and at the same time i require the list of Companies who use your material in Singapore or other countries(at least three) to gurantee your good quality.Hope to your early reply!Best regardsCountry:Singapore
