About Us
Why choose us?
We operate an integrated system covering design and R&D, self-produced packaging materials, manufacturing, and finished product delivery, providing customers with efficient, collaborative and controllable one-stop pharmaceutical OEM solutions.
About Us
Founded in 2014, Dongying Zuoning Biotechnology Co., Ltd. is a global OEM/ODM manufacturer specializing in health supplements, functional foods, cosmetics, and personal care products. With a strong manufacturing base, we have developed into a fully integrated enterprise serving global markets.
We began large-scale production in 2016 and established our R&D center in 2019, strengthening innovation and formulation capabilities. In 2020, cooperation with Jiangnan University further enhanced our technical strength.
Since 2022, we have built a fully integrated industrial chain covering R&D, production, packaging, printing, and logistics. By 2023, our product range expanded to tablets, capsules, powders, teas, liquids, gummies, and more.
In 2024, we achieved deeper vertical integration with our packaging subsidiary, with annual output exceeding RMB 1.1 billion, reaching RMB 1.23 billion in 2025.
Today, we operate six industrial parks with 2,500+ employees and large-scale production capacity, providing end-to-end health and nutrition solutions worldwide.
Our services
One-stop production and sales service
Customer Reviews
Dongying Zuoning Biotechnology is truly an outstanding partner for health supplement manufacturing. Their professional team, strict quality control and complete international certifications give us full confidence in exporting to global markets. Every cooperation is smooth and efficient, and the products are consistently stable in quality. We are more than satisfied with their one-stop OEM & ODM service and will definitely maintain long-term cooperation.
Working with Zuoning has been a pleasant and reassuring experience. Their large production capacity ensures on-time delivery, while their standardized GMP workshops guarantee product safety and reliability. The staff are responsive and thoughtful, providing professional suggestions on formula and packaging. It is rare to find such a responsible and capable manufacturer, and we highly recommend them to all international buyers.
Zuoning has become our trusted long-term partner in the health products industry. With rich product certifications, diverse dosage forms and flexible customization services, they perfectly meet our market demands. The whole process from communication to production is well-organized, making our cross-border business much easier. We are genuinely impressed by their professionalism and reliability.
As an international trading company, we are extremely satisfied with Dongying Zuoning. Their advanced equipment, strong R&D capability and meticulous quality management set them apart from other suppliers. They care about every detail of our orders and always put clients’ needs first. Choosing Zuoning means choosing stability, safety and peace of mind for your business.
