Founded in 2022, Zhangjiakou Prein Biotechnology Co., Ltd. is a professional protease manufacturer in China based on the frontier of biotechnology. For more than ten years, the company has done a lot of exploration and practice, accumulated rich experience, and provided customers with stable quality and favorable price of proteases and related services.

Our main products are: Ribonuclease, Deoxyribonuclease, Trypsin, Peptidase, Trypsin-Chymotrypsin. We can supply the products required by biotechnology companies in a fast and stable way with low batch difference and high quality and quantity.

The company adheres to the corporate philosophy of "integrity and pragmatism, innovation and efficiency" and is dedicated to providing customers with satisfactory and thoughtful personalized services in the spirit of craftsmanship. We look forward to our best cooperation.