• Ningbo Donglian Mechanical Seal Co., Ltd

    Ningbo Dongya Mechanical Seal Manufacturer is a professional manufacturer and exporter of mechanical seals, pumps, gaskets, o-rings other sealing materials. the largest diameter which can reach 350 mm, The products are widely used in many fields, such as spacecraft machinery, metallurgy, ...

    Telephone:0086-574-88458354Address:6 Mingshu Road, Ningbo, Zhejiang, China

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