Yes, We are the headoffice & manufacturer of Santroll brand. We can do both OEM and ODM. We have our own R&D team.

Generally we don't provide free sample, but we can return sample cost when you place format orders.

DHL express is default delivery. Usually it will take 3-5 days to arrive your place. We accept UPS , FedEx and others you required.

We do strict test before shipping and guarantee for 365 days. We pay high attention to after-sales service.

We accept Paypal, Bank transfer, Credit card.