If in stock for 3-7days. if not, 5-15 days also according to your quantity after advanced payment.

Yes, We are the manufacturer involved in this line for about 20 years.

We understand most customers prefer stock, so we'll try to keep stock for most products. However, for some rare products, we won't keep stock and it needs time to synthesize.

Yes, we can provide free sample if we have in stock.