Toref is an impurity brand of Guangzhou Tosun Pharmaceutical Limited. Toref Standards is specialized in providing Premium Impurity Standards in custom pack sizes with competitive prices.
OUR SERVICES
We not only specialize in supplying high-quality impurity standards but also the customized synthesis of impurity standards. The volume of our products ranges from milligrams to kilogram scales. Our customers come from pharmaceutical and biotech companies, research institutions, and so on. Our successful business development is rooted in our high-quality and professional attitude towards service and scientific innovation. Since its founding, Toref has been devoting itself to developing our proprietary technologies alongside the latest in pharmaceutical technological developments, while realizing a scalable and flexible production model to meet all of our customer's requirements.
Toref is privileged to provide our customers with the most cost-efficient superior services as follows:
Impurity Standards Sourcing
Custom Synthesis
Impurity Isolation and Purification
COMPANY ADVANTAGES
Specialized in providing high-quality impurities in custom pack sizes to satisfy any quantity required.
Rapid and efficient access to almost any market in the world.
Processing state-of-the-art analytical laboratory, comprising a wide range of instruments.
Timely after-service resolves your worry about international trade.
CERTIFICATES
EXHIBITIONS
CONTACT
WhatsApp & Mobile: +86-18922120635 (Alex)
Email: sales@toref-standards.com
Address: Room 1201 & 1203, No. 181 Science Avenue, Huangpu District, Guangzhou 510663, China
Website: toref-standards.com/ www.chinadrugservices.com
China
