We have a very strict purchase system. There is one person who is collected information for our customers. Once he/she get the purchase information then he/she will delivery this message to our information checking department for checking. At first we will check suppliers from Website, we will get at least 10 suppliers, at next step we will telephone them, to ask them any questions of the cargo and certificates, license. After the call we will make the first choice, to choose 3 suppliers from 10 suppliers. Then second step we will go to the supplier company for checking, to check if it is a factory or trading? And check theirs production equipment, test equipments and so on. At last we will to take some sample back to let our QC test it. If sample is no problem then we will talk the price and delivery time with the supplier face to face. After communicate with the supplier and to make sure all things are ok, and then we will submit all the information to our customer. Once customer confirm order with us then we will prepare the order and arrange delivery soon, also Supervision of loading for customers to make sure the delivery and quality.