Okay. According to the official website of Qiqichacha, Weilima is a trademark approved and registered by the Trademark Office of the Hunan Provincial Administration for Industry and Commerce on January 28, 2007. Weilima tools are tools with regular trademarks, so they are good. Weilima is a hand-made instrument trademark applied by Ai Yunxiong through the Shantou Trademark Office.