USP Verified
B-Carotene / CoQ10
Vitamin E / Biotin

Audit Guidelines

Why USP Ingredient Verified?

Frost & Sullivan Award

Frost & Sullivan Award


Third Party

ZMC Website

About Us

Founded in 1954, Zhejiang Medicine Company Ltd – Xinchang Pharmaceutical (ZMC) is staffed with over 4,000 employees worldwide and has over 50 years of ethical drug manufacturing experience. ZMC quickly established itself as the worldwide leader in the development and manufacture of active pharmaceutical and nutritional ingredients including coenzyme q 10, vitamins, and carotenoids.


Our mission is to build on our history of product excellence and innovation to provide the highest-quality ingredients to our world-wide customers in medicine, research and dietary supplement production. We will accomplish this by exceeding the expectations of our customers while conserving resources and preserving the quality of the environment.


As a concerned corporate citizen we are committed to the care and improvement of human and animal life. ZMC has sustained a strategic philanthropic program to improve the quality of life in the global communities we serve. Our goal is to foster a culture of discovery in all of our activities and to continue to strengthen our relationships with universities, hospitals, agencies and our community.


ZMC operates in North America as ZMC-USA from its offices in The Woodlands, Texas. It is our goal to provide timely delivery and advantageous pricing through continuous improvement and customer interaction. ZMC will produce ingredients whose quality is in accordance with our high quality standard and cGMP manufacturing standards.


ZMC’s manufacturing sites successfully passed audits by major vitamin manufacturers, Fortune 100 pharmaceutical manufacturers as well as German, Korean, Australian, Swiss, French, Dutch, Austrian, Chinese, Spanish, Italian, Belgian, Irish, British and U.S. government agencies. ZMC’s facilities are SA8000, ISO22000, ISO14001, GMP and OHSAS certified. ZMC manufactures USP-Ingredient Verified, Kosher and Halal certified, allergen free, non BSE/TSE, non GMO/IP, and non irradiated products. Test methodologies include USP, JP, EP, FCC and others as requested.


Reputation, commitment, innovation and longevity are the cornerstones of ZMC’s success. Through our culture, our drive and the expertise of each individual employee, we are uniquely positioned to provide best-in-class ingredients to a global customer base.


ZMC….caring for the health of all mankind.