Frequently asked questions about product technology and product purchases

Hot questions

Q Factory or Trade Company? 2022-07-14 18:58:41.531
Winsen is a factory with over 30,000 square meters area and 500+ production machines which is focusing on sensors development&manufacturing. It has strong R&D strength with more than 100 R&D personnel.
Q How long is the delivery time? 2022-07-14 18:58:29.674
1-7 days after received payment
Q What is your warranty term? 2022-07-14 18:58:13.405
The warranty period is one year from the date of shipment. If the appearance of the product is not damaged, it can be returned after confirmation. For damage not caused by Winsen, the customer shall bear all maintenance costs.
Q How is your packaging condition? 2022-07-14 18:57:58.939
Standard international package with inner box and outer carton.
Q What is your MOQ? 2022-07-14 18:57:46.000
No limitation of MOQ, except customized products.

Please read the following caution instructions carefully before use

When common problems still don't solve your problem.

Please leave a message, our professional service staff will contact you as soon as possible

Security verification