Check Genuine - Sanwa Joystick and Buttons Purchase Invoice
Disclaimer: products are made in Japan, then imported to Hong Kong, when we export again, we need to add a sticker "made in China" due to customs regulation. please don't get it wrong. the product is authentic from Sanwa Made in Japan.
Below shows the purchase invoice we purchased for Sanwa product.
(Ps.遊龍電子株式会社 Yatta Lunta Denshi Kaisha is Sanwa's verified Agent in Hong Kong)