Normally, the military discounts programs on some occasions of the year. In order to know whether it is offered or not is depended on niu's policy sales, you can visit the store now for your reference.

Normally, niu will make it easy to use online coupons with scannable barcodes, such as 53% off your entire purchase, in-store. ... You can check your niu digital coupons to use In-Store.

Normally, one discount code is only applied for one offer. However, If the users put a vast of items in their cart, it is easy to use one coupon code to purchase items. It depends on niu's policy, you can contact niu via mail for your reference.

Usually, Coupon Stacking is not allowed at niu. However, the store will surely give out notice if available.

There is no certain number for the frequency of releasing coupons from niu. But, most of the time, there will be at least one available. Special Discount Days such as Black Friday, Cyber Monday, Back to School Sale... come with many coupons.

Our advice for you to use niu Coupon effectively is to choose the right day.
Like thousands of other consumers, the time of promotion is when they choose to
shop at niu, so take advantage of coupons released on those days to save.