The high performance of diesel engines depends on the precise cooperation of every component inside.With reliable raw materials, advanced R&D ability and strict QC, IMS is able to ensure every single product meets the requirements for diesel engine.

To ensure the secure and stable operation of  engines is the only standard through the manufacturing "haida" valve manufacturing.


As one of the most critical parts of diesel engines, inlet & exhaust valve spindles, valve seats and valve guides must be completely reliable to ensure normal operation in the working environment of high speed, high temperature and high corrosion.


As the only Chinese supplier of exhaust valve spindles and partner recognized by both MAN ES and WINGD, MES (Nanjing) provides not only products and service to their licensees but also direct support and service to MAN ES and WINGD.

© 2020 by LSP Transit Ltd

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