In 2015, he decided to establish his own pharmaceutical brand, TOFO. Williams led his team to continuously experiment, integrating modern pharmaceutical technology with traditional herbal knowledge. Through repeated research and clinical practice, they developed a series of innovative formulas with key ingredients from natural herbs, achieving genuine and reliable results.

Since 2020, they have expanded their overseas markets in North America and Asia. To date, with the help of British capital, the TOFO pharmaceutical brand has established an internationally leading laboratory and an automated production line in Canada. At the same time, they have assembled a team of product development and quality control experts with rich industry experience in Europe and North America.