The Authoritative Patent Certificate from State Intellectual Property Office of the People's Republic of China-Lepu
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The Authoritative Patent Certificate from State Intellectual Property Office of the People's Republic of China


It shows that Lepu Seal has strong design and technical ability in the mechanical seal manufacturing.

As a leading mechanical seal manufacturer in south of China, Lepu Seal has been focused on making mechanical seals since 1998, and keeps improving our technical strength.

According to the data from our financial department, it will take around 5 million RMB a year in the technical R&D department, that includes technical salary, new materials adoption, new seal design for different clients.

This mechanical seal patent is awarded for our specially-made double-sided seals for the ball valve, and protected by China government. The behavior that anyone copies this ball valve without the permission from Lepu Seal is illegal.



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