Q: If the goods we buy can not work well, what will you do? Or howThe quality guarantee period is 1year.
A: Within one year, if the device doesn't go well, we'll offer replacement(accessories) for free and afford the delivery cost; After one year, we offer the service for free, replacement charged.

1. Maintenance

(1) Standard
A. Inaccurate or incapable testing caused by instruments’ quality problem, we promise to repair for free in one year.
B. If there is an error of the tester within one year after purchasing, our company will help you debug for free.
C. Instrument damage caused by improper operation or an accident, and the damage is not serious and could be repaired easily, we will repair for free in one year.
D. Instrument damage caused by improper operation or an accident, and the damage is serious, we will charge you maintenance cost according to the stipulation.
E. All of the components are not included in the repairing range.
(2) Procedure
A. If there is test error of the instrument, please contact the manager of the service center, to solve the problem by telephone instruction, WeChat, and debugging video on our official website. If you cannot solve the problem through these ways, you may send the instrument to us. We will finish debugging in 3 working days after receiving.
B. You need to contact our sales manager immediately after the instrument is damaged. The sales manager or after-sale service personnel will identify if it can be repaired or not. If the instrument could be repaired, you can send it to us choose an express delivery

2. Replacement

(1) Standard: From the date users receive the product, if there is any non-artificial breakdown (except non-warranty part), users could change for free. (The problems that users reflect are true, and there is no damage of the instrument) If the problem can be solved in 3 days, we won’t change for you).
(2) Procedure: Users should first ask the sales manager to confirm the problems, and then send it to us. Then the sales manager and our company will confirm together if the instrument meets replacement standard, and agree to change another one for you. We will carry out our company’s standard procedure, and send instrument again in 3 days.

3. Sales Return

(1) Standard: From the date users receive the product, the product quality problem cannot be solved in 3 days, (Confirmed by our company), and be refused to change.
(2) Procedure: Users should first confirm the instrument problem through the sales manager, and coordinate with the sales manager to send the instrument back to us. After our testing department confirming it is not the artificial problem but instrument problem, we will agree to the return application. We will return your payment to you in 7 days. (Procedure refers to our company’s standard procedure)

4. After-sale Service Procedure

(1) Repair report by telephone or WeChat.
(2) Take delivery of goods.
(3) Repairing
(4) Goods delivery

5. Illustration

(1) Users should get warranty by the invoice after purchasing, or else, we won’t promise you a warranty but a repairing. (The original or copy of the invoice or receipt should be taken when you come to repair.)
(2) Within one year after users buying our product, if there is any quality problem(except non-warranty parts), you can contact us for repairing, changing, or returning with purchasing invoice. If you couldn’t show us your purchasing invoice in guarantee period, we will calculate according to the date of production, and the period is one year.
(3) If there is a failure of the product which expired of warranty time, we will charge relevant fees according to company stipulation.
(4) Any damage caused by taking apart and assembling by user’s own, transportation, improper storage, or operation not following users’ manual, altering of warranty card and having no purchasing invoice, we won’t promise you warranty.

6. Contact Information

Phone number of oversea after-sale service: +86-18026689205  Sky:melinda829 or E-mail: