Medical grade PP material disposable selfstanding screw 0.5ml o-ring cryovial Freezing cryogenic tube test tube Vials

(1)What is your terms of packing?
Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

（2）Are you a manufacturer?
Yes, we have 10 years of experience in producing filters and HPLC products and we do OEM for several famous brands.

(3)Is there a minimum order?
No. You can order one pack, but the freight cost will be very high. We suggest you to buy more to make the freight worth. We normally send by courier, like DHL, TNT.

(4) Do you test all your goods before delivery?
Yes, we have 100% test before delivery.

（5）How do you check all the goods in the production line?
We have spot inspection and finished product inspection. We check the goods when they go into next step production procedure.

(6)How about your delivery time?
Generally, it will take 3 to 7 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

(7)What is your sample policy?
We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.