We keep on with the theory of "quality first, provider initially, constant improvement and innovation to meet the customers" with the management and "zero defect, zero complaints" as the standard objective. To great our company, we deliver the merchandise using the fantastic excellent at the reasonable price for Dna Extraction Purification, Dna , Urine Dna Extraction , Automated Dna Extraction Machine ,Prepfiler . Welcome all nice buyers communicate details of products and ideas with us!! The product will supply to all over the world, such as Europe, America, Australia,Netherlands, Ukraine,Iran, Mexico.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 if you have any questions. We are glad to work for every client.