We are also focusing on improving the stuff management and QC system so that we could keep great advantage in the fiercely-competitive business for Cimaterol Residue testing in beef, Diethylstilbestrol Test Kit , Royal DSM , Pasteurized milk Test Kit ,Zearalenone test kit . We cordially welcome shoppers from in the home and overseas to hitch us and cooperate with us to enjoy a better future. The product will supply to all over the world, such as Europe, America, Australia,Thailand, Albania,Luxemburg, Canada.We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information and we will offer you competitive price list then.