Wan Hai Medical Instrument Ltd. ，covers an area of 12000 square meters, staff more than 70 people, benefit from the scale advantage, our price have advantage in the world. Company's main business for the pharmaceutical, biotechnology research and development, production of various kinds of insulin pen, disposable insulin pen, repeated use insulin pen, plastic pen, HGH one-time injection pens, cosmetic injections. We have independent intellectual property rights, issued by the national invention patent, which can apply for patent protection in multiple countries. Over the years, benefitting from the support and love of all sectors of society，our company got rapid and steady development, express our heartfelt thanks to you for this. Our company can provide 1 ml and 3 ml and 5 ml, 10 ml pen design, mold development, injection molding, finished product assembly.