Wanhai Medical
Wanhai Medical, located in Changzhou City, Jiangsu Province, China, is a leading manufacturer of pen injectors in China, specializing in the development of pen injectors since its establishment. Wanhai Medical has two produc tion bases in Changzhou and one BD center in Shanghai, with a total of more than 300 employees. The company adopts a wide range of European and Japanese imported industry's top mold production and measurement equipment, injection molding equipment and experimental testing equipment to ensure high standards of product manufacturing and testing, for more than 180 well-known pharmaceutical companies to provide products and ancillary services, customers in more than 60 countries and regions around the world. Our products have been verified by long-term commercialization and batch production, with excellent performance, stability and reliability. Wanhai Medical is committed to the development and manufacture of high quality repetitive pen injectors, dispos able (prefilled) pen injectors and auto injectors. Our pen injector series products are ideal for insulin , GLP-1R like peptide (liraglutide, semaglutide,Tirzepatide , etc.) and other hormones, including growth hormone (HGH), follicle stimulating hormone (FSH), parathyroid hormone (PTH), and others.
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Advantages Of Wanhai Medical
• Focus on the R&D and manufacturing of pen injectors
• Own independent intellectual property rights to ensure global market promotion
• Competitive pricing to meet increasingly cost-sensitive pressure
• Complete set of production facilities, including high-precision electric injection molding machines, laser printers, automatic assembly lines, and professional testing laboratories
• Experienced professional R&D team, provides development and customization service according to the personalized needs of customers.
• Customization support in packing design, logo marking, color scheme, etc.
• ISO13485/CE/NMPA registration certificate and dozens of third-party experimental test reports.
• 3-year quality assurance and life-long maintenance


As a proactive partner, we provide high-tech products and customized services, and quickly adapt to the changing market demand. We assess user needs, constantly promote innovation, and place patient comfort and customer needs at the core of our approach. If you have any questions, please feel free to contact us and look forward to creating the future together.