In case you enter a discount code during checkout that doesn't exist or isn't currently active, then you can see the message: “Unable to find a valid discount matching the code entered”.

Please check out Stock Mfg's site to be sure that there are available Stock Mfg coupons for promotions or Customer Service at that time. In case you are chosen to obtain those available coupons, you may receive your coupon by email, or a mailed catalog or postcard.

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

Yes. Coupons for each Discount Event of Stock Mfg will be collected here while being updated day by day. Sometimes, there will be deals not updated promptly but it's rare, we expect sympathy from you. 

Shoppers can get coupons for their first purchase at the store. However, it is not all the time, sometimes, they cannot apply a discount on items selling out or items not contained in the promotion program. It depends on the time you shop at Stock Mfg.