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Nanjing GJY Machinery Co., Ltd.

No. 88 Runhu Road, 210017 Nanjing
Telephone +86 25 86229422
Fax +86 25 86229422

Hall map

METEC 2019 hall map (Hall 3): stand A25-6

Fairground map

METEC 2019 fairground map: Hall 3

Our range of products

Product categories

  • 07  Plant and equipment for shaping of steel
  • 07.13  Tube/pipe production lines

Our products

Product category: Tube/pipe production lines

Polishing Equipment for Bar

Polishing equipment for bar is used for surface polishing treatment of bar. The axial feeding of portal frame with guide rail guarantees stability of portal frame walking speed. The polishing head combines fabric belt and abrasive belt in the same working position avoids dead zone caused by relative position problems between bar and polishing head.

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Product category: Tube/pipe production lines

Sizing Mill for Pipe End

Sizing mill for pipe end is a new kind of equipment using for inner and outer sizing of pipe end to reduce the end ellipticity, improve the end straightness, and ensure the pipe yield of follow-up process.

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Product category: Tube/pipe production lines

End Face Seal Hydrotester

End face seal hydrotester is suitable for large diameter welded pipe and seamless steel pipe. This equipment with internationally leading technology is always used for large diameter and thick-walled pipe and it has the characteristics of high testing pressure, reliable sealing and can bear large axial tension.

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About us

Company portrait

TPCO(biggest seamless pipe producer in the world) was founded in 1989, Seri was founded at the same year as TPCO subsidiary engineering company first. CERI(Capital Engineering & Research Incorporation Ltd, founded in 1951, biggest metallurgic engineering company in China) became anthoer share holder of Seri in 2004.
After 27 years development, Seri has over 2,500 employees now, plant area over 520,000 sqm.
Seri can produce all kinds of equipments/machines, tools(mandrel and roller) for metallurgic business, hyydro power and wind power field. Srei became major Chinese supplier of many European ...