Shengzou，Stopper，Rubber Stopper，Pharmaceutical package，Laminated stopper-Shengzou Rubber&Plastics CO., Ltd. as a professional 28mm manufacturer and supplier in China, all the 28mm have passed the international industry certification standards, and you can be completely assured of quality. If you do not find your own Intent 28mm in our product list, you can also contact us, we can provide customized services.