Due to high frequency tube belongs to the high value product, just for a batch of production customers with free samples ( the user to assume the express fee ). For the production of user needs to purchase, sample, such as a sample cannot be used, the company will be 60 days warranty, a refund。

The need to provide free samples to customers, to provide the following information.
● The business license of enterprise

● The product requirements document
●Sample technician.
● Hair address

Note: must provide samples and technical personnel contact, so that we can on the sample of products tracking, our technical staff can also provide technical support, in order to reduce customer detours.