| sdfeiniu at h o t m a i l . c o m
Our main products are grades of carbon black and zinc oxide, Specifically, there have N220, N234, N326, N330, N339, N375, N550, N660, N772, N774 etc.,our total capacity are more than 50,000 tons per year. We are located in the south of Shandong provice,which has sufficient quality... |