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:

General Measuring Instruments

General Measuring Instruments

Chinese Measuring Instruments

Mitutoyo Measuring Instruments

OCTG Threading Inserts

Thread Insert