About Us

Toref is an impurity brand of Guangzhou Tosun Pharmaceutical Limited, which is a global manufacturer and supplier of high-quality Impurity Standards for the Pharmaceutical industry. We are dedicated to meeting the needs of our customers by providing the highest quality impurity standards that are accompanied by an extensive and complete certificated of analysis (COA).

Toref Offers over 10,000 certified impurity standards from stock and we add new standards yearly. In order to continually achieve successful and profitable growth we strive to attract, retain and reward the finest professionals. If you would like to develop your career within Toref and add value to our business we invite you to submit your details for consideration.

What We Offer

  • A clean and safe working environment with equal opportunities for career growth and development.
  • A supportive and dedicated team.
  • Greater learning opportunities and exposure to different aspects of the business.
  • A comprehensive and competitive benefits plan.
  • Annual bonuses.

Who We Need

  • Proven technical ability and industry awareness.
  • Enthusiasm, initiative and drive.
  • Ability to collaborate and communicate.
Opening Positions

Currently no openings!

How to Apply
Please send your resume to hr@toref-standards.com for consideration. We thank all applicants, but only those selected for further consideration will be contacted.