The Japanese client developed it on Google, and we contacted them by writing a development letter, adding purchasing contact information, and updating prices daily through WeChat.We attach equal importance to product quality as our customers. Our products have been tested by multiple institutions and have SGS certificates. They can rest assured that they can inspect the products after receiving them. If they do not meet the standards, our company will allow them to return them for free. Moreover, our products are sold to multiple companies in Japan and have been reported to have good quality, so you can rest assured.