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Ningbo Donglian Mechanical Seal Co.,Ltd
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Mechanical seals for pump end-users and replacements
Dec 9, 2019
Dyseals is dedicated and devoted to special ceramic research and study and mechanical seals, mechanical seal faces or mating rings/seal rings are increasing step by step.
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Spring Festival for 2020
Jan 13, 2020
Chinese calendar year:2019 will be ending and 2020 year will start
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Social-responsibility report-20232
May 23, 2023
宁波东联密封件有限公司2023年社会责任报告2
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Social-responsibility report-20231
May 23, 2023
宁波东联密封件有限公司2023年社会责任报告1
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2021 Spring festival
Feb 3, 2021
2021 Spring Festival
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The measures of preventing novel coronavirus
Mar 6, 2020
Preventing Novel Coronavirus
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2019 annual wrap-up ceremony
Mar 6, 2020
2019 annual wrap-up ceremony
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The new revision of our internet web
Dec 1, 2019
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