Zhejiang Di'er Pharmaceutical

Zhejiang Di'er Pharmaceutical is a specialized pharmaceutical manufacturer based in Quzhou, China, with a core focus on Vitamin D series products and their synthetic derivatives. The company is a prominent global supplier of Active Pharmaceutical Ingredients (APIs) and finished dosages, including Alfacalcidol, Calcitriol, and Paricalcitol. Their expertise lies in high-potency API synthesis and GMP-compliant manufacturing, supporting treatments for metabolic bone diseases, secondary hyperparathyroidism, and dermatology. In addition to its Vitamin D portfolio, the company produces cardiovascular and anti-tumor medications. Zhejiang Di'er Pharmaceutical serves a broad international client base, maintaining rigorous quality standards to meet global regulatory requirements.