Since our foundation in 1950, Sawada Seisakusho has achieved high levels of expertise and business achivement as a specialized liquid level gauge manufacturer. As a result, our OBK brand currently enjoys a strong reputation among customers in many countries for products that are synonymous with reliability and confidence. Our unique custom manufacturing system has earned wide customer acceptence(Due Date Performance 99.8%), and we continue to actively pursue product development based on new concepts and technologies.


1. A leading Japanese manufacturer,we take pride in our wide range of liquid level gauges.

Sawada is one of Japan's few level gauge manufacturers offering a full lineup ranging from low-pressure to high-pressure(up to 21Mpa) liquid level gauges.
For boiler and tank applications, we can meet any specifications.

2. Instant support for diverse specifications of Japanese leading boiler manufacturers.

Since our foundation in 1950, we have expanded sales by installing our products in many of the boilers produced by Japanese manufacturers, with results that we can now pride ourselves on such a degree of popularity that Sawada's OBK products are now immediately associated with water level gauges for boiler drums.

3.Striving to develope new tech and products that meet changing market needs.

Capitalizing on our accumulated sales and R&D expertise,Sawada Seisakusho is committed to meeting every detailed specification. Our factory, sales and R&D departments strive to develope new and improved products that reduce costs while upgrading function, employing cutting-edge. IT tech in keeping with the various themes thay set.