Dear Liu, Based on your inquiry,i am Prince Fortune Isoka,a regular buyer of Chemical products based in Nigeria. If you can supply it under my below payment terms ,reply for more discussions.If not, don't bother replying my email. COMMODITY: 1. Titanium Dioxide,Grade:Anatese.Purity:99% Appearance:white powder(standard) Bulk Density: Tapped :0.8 -0.80g/m1 Titanium dioxide Usp Monograph 23:identification test conforms Volatile Matter:Typically 0.3% w/w Phosphate:0.30-0..65%w/w(As P20 Loss;0.2%w/w maximum(At800Co) Iron:80ppm Maximum Solubility:0.5%w/w maximum Quantity: 4x20ft monthly(100 metric tons). C&F to Onne Seaport Packaging;25kg bags 2. Caustic Soda, Grade: Pearls.Purity:97-99% Quantity: 4x20ft monthly(100 metric tons). C&F to Onne Seaport Packaging;25kg bags Payment: CAD or D/P at sight. Regards, Prince Fortune Isoka Fortvin Global Services ltd. 42 Aba-owerri road, Aba,Abia state Phone:+2348033737562 e-mail:fgservicesltd@yahoo.com