I did not see. Weidi's adjustable DE has been on the market for a couple of years. Baili WR-T3 Stepless Adjustable Full size https://imgur.com/9oLw97y I haven't found much online. This gentle giant has few but excellent reviews. All agree on the sweetness and ease. Even when set to maximum aperture. It is compared to Gillette Adjustable Slim / Black Beauty. The lack of pre-organized positions allows a micrometric adjustment.