From water pipes to power generation boilers for biomass, Yoshimine boilers respond to requests for customization.

We are a construction company that is engaged in heat insulation construction, which is essential to industrial facilities mainly for power plants, chemical plants and LNG (liquefied natural gas) related facilities.
Our heat insulation technologies are highly appreciated and trusted by many users both in Japan and overseas as they protect facilities from the heat of industrial furnaces at temperatures as high as 2,000°C and maintain ultra-low temperatures at -160°C in LNG container ships. Our heat insulation technologies offer significant contributions to energy savings and conservation of global environment.

Demands by clean room industries such as non-dust and aseptic environments have increased rapidly in such industrial fields requiring highly clean environments as precision electronics, biotechnology, medical treatment equipment and information related businesses.
In order to respond to such needs, the Company freely uses various systems and equipment to provide state of the art working environments.

The Company is the leading manufacturer of calcium silicate heat-retention materials in Japan, whose core product is “Cacal Ace Super Silica,” ultra-light calcium silicate heat-retention material which offers superior heat-retention and heat resistance properties.

The Company is carrying out from thermal insulation of refrigerator to planning, design, construction and after-service of cooling installation work. And the Company proposes energy-saving diagnosing and measures of existing freezer and refrigerator for contribution to society.