carbon black N220,N330,N660,

الوصف

Let me introduce ourself ourselves Shandong Aona Chemical Co.,Ltd , a leading manufacturer of carbon black N**0/N**0/N**0/N**0,Please contact me :xxxxx (at) hotmail xxxxx in this production for 6 years,we have received great repution for our high quality and competitive price.And we have past the ISO***1:***0 certification.We will insist on our advantage to do better for you,I assure that we could reach your most satisfaction,your cooperation will be much cherished,our website is xxxxx