More Products

Besides API ring & plug gauges, Shanghai Jingoo also works with top manufacturers in China and overseas to supply high-quality measuring instruments related with machining of OCTG thread connections, to serve our customers in a better, more comprehensive way. All products come with authoritative calibration or inspection certificates.


Please check below to download the catalogues:



CNC Pipe Threading Lathe


CNC Pipe Threading Lathe


CNC Pipe Threading Lathe



General Measuring Instruments


General Measuring Instruments


Chinese Measuring Instruments


Mitutoyo Measuring Instruments



Chinese Profile Projectors


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Chinese Profile Projectors



Chinese Portable Hardness Testers


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Chinese Portable Hardness Testers 



OCTG Threading Inserts


Thread Insert