Our company is specialized in producing various seals. We offer a wide range of O-ring in all standard size and a lot of special size. We have received ISO9001, ISO9002, and QS9000, besides ,we received the certification issued by American NSF Organization for plastic and rubber materials, which are suitable for making drinking water tanks, Germany DVGW certification, and British WRAS drinking water standard certification. Our products boast high quality, excellent performance and comparative prices, which are necessary accessories of varieties of machines. It is an ideal supplier for those factories who are in need of sealing products .Please don’t hesitate to write us if you require for the information. It will be our pleasure to serve you. Currency: CNY Delivery: chat