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Ningbo Liangyou Seals& Clamp Co.,Ltd is one of the leading China o-rings, ptfe tape, hose clamps, rubber o rings, quick release hose clamps manufacturers, welcome to wholesale cheap and hot sale o-rings from our factory. Scientific management system and quality control system is the basis for the development of the company. Strictly abiding by the GB/T9001_2000 standard, we have formulated a set of quality management system documentation to ensure successful implementation of our quality policy and quality goals...

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