We are one of international premium http://researchchemicalsus.com/ providers of Modified 4-MMC/Mephedrone, bk-MDMA/Methylone,MDAI, 4-MEC/,methylone, MDPV,2ci and other research chemicals ...We are proud of offer high quality product, one of most reliable company on the market and get satisfied feedback from our customers.Our price include registered air mail delivery. Delivery time 2-3 days. ..we sale both in wholesale and retail prices.We accept bank transfer for large orders, money-gram and western union.