Welcome!
Our company is a consultancy firm aiming at the technical assistance and sales support of the valve for oil & gas.
We, Yamaya and Yagisawa, worked as managers of the valve manufacture for the high-pressure, high-temperature and cryogenic services for 30 years or more and also we have satisfied various technology and quality demands from oil & gas major companies and international EPC.
In 1997, we established the consultancy firm about the valve for industry on the basis of service experience.
Then, we offered support to EPC and a valve manufacture, and have acquired experience and wisdom in it.
The philosophy of our company contributes to a valve engineer's training, returns to society our experience and wisdom.

<Our open document>
"Introduction of the inspection and testing for the industrial valves"
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