Is the intellectual property right of Beijing Su Ding credible?

Credible. According to official website's inquiry of Beijing Su Ding Intellectual Property Agency Co., Ltd., Beijing Su Ding Intellectual Property Agency Co., Ltd. has been committed to providing all-round intellectual property agency services to domestic and foreign customers, covering trademarks, copyrights, domain names, trade secrets, anti-unfair competition protection and other fields, especially specializing in the practice, litigation and licensing related to patents and trademarks.