Qinkui Wang
Google SEO consultant Founder of YLSSEO in Quanzhou,China
Qinkui Wang is a Google SEO consultant and the founder of YLSSEO, helping Chinese B2B manufacturers and e-commerce brands grow organic traffic from Google. Also known as 王钦奎 and 鸭老师 (Duck Teacher) in the Chinese SEO community.
YLSSEO offers three services: managed SEO for a small number of long-term clients, SEO audits, and Google algorithm penalty recovery.
His writing on Google's ranking systems draws on Google's official documentation, the DOJ v. Google testimony, the Content Warehouse API leak and Google patents. A SERP observation of his on AI Overview citations was covered by Barry Schwartz on Search Engine Roundtable.
Before SEO, he spent eight years in B2B international trade, which shapes how he reads buyer intent and structures websites around it. He hosts the YLSSEO Podcast, a Chinese-language series on Google Search, and attended Athens SEO 2026. He studied at Liming Vocational University.