Yes, Weiyingjia is able to provide aluminum cylinder tube for you check quality, Normally stock sample is for free for saving your cost, but it will require mold cost if custom tube size.
MOQ and customization both depend on the products you need to purchase, but regardless of the size of the order, we are willing to solve problems for our customers.
It is only taking 7-10 days to complete your sample if the sample size is in stock. For bulk order, lead time according factory production plan, usually 7-25 days.
We are manufacturer with over 20 years' experience in aluminum product, you will get top quality products and services. We can also OEM and ODM.
Normally Outer Hard Anodizing, Inner Matt sandy Anodizing.
30% T/T in advance, the balance payment is paid before shipment.