Our advantage: 1.Place of Origin China with Super quality by reasonable price. 2.Fast delivery by safe express way to all the country. 3.Has a number of highly qualified engineers and experts to provide guidance for reagents. 4.When you meet problems in mineral processing, we can provide technical guidance. 5.Sample order are welcome. 6.NMR,HPLC and COA can be supplied 7.We can supply sample for testing 8.We promise 100% deliveried,and 100% resend or refunds if parcel is not deliveried! 9.Payment method:WU,T/T,Moneygram 10.If you want new products,we can synthesis it for you .