1. What is the minimum quantity we should buy? 
For sample purpose we don't mind how much you buy, we will send the samples by courier(DHL, TNT, UPS, EMS, etc).The cilent should pay for courier cost, and will give you the discount for samples. For order it should be over USD1000.00 or the total weight should reach 45kgs(requested by AirLine Companies, otherwise the Airfreight is double or more of usual price).
2. As I know many companies supply free samples, do you offer free samples?
We don't offer free samples, according to our many years' expierience we think when people get the samples by paying they will cherish what they get. Also though the quantity of sample is small however its cost is higher than normal production. 
3. What is your mode of payment? 
The payment should be T/T(Telegraphic Transfer through bank) of total amount before shipment.
4. If we make the payment, how long you will make the shipment? 
It depends on the quantity of order, as usual we make the shipment within one week on receipt of payment. For specail order(Such as big order or not standard specification order) it may cost more days. We always let our customers know how many days(approximate) he should wait before or after he place an order. 
5. What is the delivery way you send our goods? 
For order diamond tools we always make the shipment by Air, also we can make the shipment by SEA, it depends on our customers' requirement. As usual by Air it only costs about 5-10day the cargo can arrive in destination Airport from the shipping date. By Sea it will take about 30days, this is not suitable if people need the goods urgently. Also, we can make the delivery by Courier, but the charge is high. For stone Products order the shipment must be effected with containers by Sea.