First of all, look at mask aligner steel grade. At present, the racket shaft and the cone at the front end of the racket handle of YONEX racket have the factory number of laser engraving, that is, the double steel number. The serial number of the product is on the racket handle, and each racket is different. The cone is the product batch number, and the products in the same batch have the same batch number. The two English letters at the end of the batch number represent the sales area, and Chinese mainland is ch. Now fake rackets also have steel numbers, but some are printed and some are different from real rackets in font details. The early YONEX badminton racket only pressed the deeper and thicker product batch number (commonly known as single steel number) on the tapered handle.

Second, look at the line hole colloidal particles. The real YONEX badminton racket's line hole rubber particles (also called protective tubes) are injection molded by a mold, and the two ends of the line hole rubber particles are chamfered by more than 30 degrees without burr, and basically different sizes of rubber particles are used in different positions of the racket frame. At the inner position of the racket frame where the middle and high-grade badminton racket passes through the hard line, the end of the rubber particles in the line hole is V-shaped and turned outwards. However, the end of the colloidal particles of the fake feather racket is generally flat, with sharp edges and no chamfering, which is prone to burrs. After a period of use, it is easy to crack, wear or even fall off, and even affect the service life of the feather line.

Third, look at the laser anti-counterfeiting label. The laser anti-counterfeiting label of the latest YONEX badminton racket is oval and gold, which is usually attached to the taper of the handle. Under the light, you can see the "YY" sign and the hidden line of the word "YONEX".

Finally, look at the bottom cover LOGO. The white "YY" logo on the bottom cover of the real YONEX racket is not on the same plane as the green bottom surface, but slightly protrudes and can be felt. And the font of "Japan" is very special. Whether it is a LOGO or a letter, the edges are neat and there are no burrs.

Besides, the feel of a real YY racket is very different. Real YY rackets are usually very hard, with comfortable balance and very handy in the hand. You won't feel ventilated even if you pat the child.