a full rang of the tungsten tubes

Description

Q：How to order?
 A: Step 1, please tell us what model and quantity you need;
     Step 2, then we will make a PI for you to confirm the order details; 
     Step 3, when we confirmed everything, can arrange the payment; 
     Step 4, finally we deliver the goods within the stipulated time.  
Q: How long is your delivery time?
A: Generally it is **7 days if the goods are in stock. or it is ****0 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.