About Us

Jiangsu Wanhai is a Chinese healthcare company with more than 15 years of innovation in diabetes care and its main business is to develop and supply various kinds of disposable and reusable insulin pen, plastic insulin pen and HGH disposable pen for pharmaceutical and biotechnology companies that develop, manufacture and market medications for self-injection. This heritage has given us experience and capabilities that also enable us to help people defeat other serious chronic conditions: diabetes, growth disorders and obesity. Jiangsu Wanhai has its own Independent Intellectual Property Rights and can apply intellectual patent protection in many countries. Jiangsu Wanhai ensures that all device solutions are provided with solid intellectual property protection and do not infringe third party patents.


Jiangsu Wanhai can supply the whole solution for 1ml, 3ml, 5ml and 10ml injection pen from design, mold development, injection molding to finish product assembly. Jiangsu Wanhai has precise computer-based automatic injection molding machine, high quality measurement devices and advanced CNC machine and can produce precise plastic molding by ourselves, which enable Wanhai to produce pen with complicated structure and high precision requirements. Meanwhile, our price is quite competitive compared with other pen suppliers. Wanhai has already supplied injection pen for many pharmaceutical and biotechnology companies and obtained positive feedback from our customers.


Wanhai always adhere to Honest Cooperation, Endless Striving for Excellence, Mutual Benefiting and Win-win strategy and guarantee no nonconforming product will be delivered to customer side. We will try our best to provide you with the high quality product and service.