6.1 refers to the cost of obtaining product certificates in order to sale in the markets which includes: Test fee and Certificate fee. 6.2 Processing principle: 6.3 The cost of the certificate shall be paid by the buyers. 6.4 If it is the V-LION’s style, test costs will be paid by V-LION. 6.5 If it is a style designed by the buyer, the test cost shall be paid by the buyer. 6.6 The accumulated orders of each single model which exceeds 10,000 pairs, all costs will be refunded to the buyer. 6.7 If the first order is less than a 20ft container, that’s 2,500 pairs, the test and certificate costs shall be paied by the buyer.