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![]() Ningbo Zhonggao is a professional OEM/ODM company that aims to be a one-stop service provider for rubber product needs, from designing to contract manufacturing and international shipping. Our main products are rubber strip, rubber washer, bonded seal, oil seal, O ring, FEP encapsulated O ring and all kinds of custom rubber seals and components. With the most professional service and stable quality, we have won unanimous recognition from customers in international markets such as Russia, the United States, Canada, the United Kingdo... [Detail] |