Since 1986, when the Jinbo was established,
The Jinbo has been manufacturing and providing the variety of valves for high pressure and fluid control systems and fittings for piping.
We manufacture the valves made of carbon steel or brass such as needle valves and ball valves for fluid or air pressure piping.

We also produce the variety kinds of single ferrule tube fittings by sizes, materials, and standards.Those fittings can be applied to certain types of piping screws like NRT taper type, parallel type, and ISO taper type, and to piping itself such as tube to tube type, tube to bolt type, tube to nut type, tube to an tube type, tube to SAE/MS, and O-Ring Seal type.