Zhiyuan Bio and Xinzhiyuan Bio will be showcasing their products at the 2026 Hangzhou PCHI Exhibition, cordially inviting you to explore new trends in cosmetic raw materials.From March 18th to 20th, 2026, Zhiyuan Bio and Xinzhiyuan Bio will join forces for a major appearance at the PCHI Internationa Read More

Chitosan itself originates from the shells of crustaceans such as shrimp and crabs and is the second largest natural polysaccharide after cellulose in terms of reserves in nature. However, the insolubility of ordinary chitosan in water greatly limits its application scope. Through chemical modificat Read More

With the arrival of the New Year, everything is renewed.On the occasion of this New Year,Zhiyuan Biotechnology & Xinzhi Yuan Biotechnologyextend our sincere New Year greetings to all our partners,customers, friends, and colleagues who have always supported and cared for us.In the past year, we are d Read More

In the current biomedical materials field, a modified natural polymer called succinyl chitosan is generating a wave of research and development enthusiasm. Through chemical modification, scientists have successfully overcome the limitations of traditional chitosan, making it exhibit outstanding perf Read More

An innovative biomaterial called hydroxypropyl chitosan is attracting attention in the industry. By molecular modification of natural chitosan, it has successfully overcome the application bottleneck of its insolubility in water. With its outstanding biocompatibility and unique functions, it has bro Read More

Controlled and sustained drug release has become a central focus in modern pharmaceutical formulation and drug delivery research. Compared with conventional immediate-release dosage forms, controlled and sustained release systems are designed to deliver drugs at a predetermined rate for a prolonged period of time. Read More

Chitosan is a naturally derived polysaccharide obtained from chitin and has been widely studied as a biomaterial due to its biocompatibility, biodegradability, and low toxicity. Read More

In pharmaceutical research and development, poor aqueous solubility and low bioavailability are major challenges that limit the effectiveness of many drug products. Read More