dear mr. liu. how are you doing. so i'm very interesting to buy your product and this is the clear-opp packing tape.so please send me the list of the product with the prices.i'need to buy the 40-48. 100mm. 36rolls in carton.i'want to buy more than 1200 cartons in one container of 20 feets.i'll hope to get the opportunity to work toghether and do big business.anyway. in mai i'll come to china (shanghai)for business and we can meet and discuss about the price.if you make me the best price. thanks and best regards!