Company history
| Engineering Division | Equipment Division | Service Division | |
|---|---|---|---|
| 2000 | ●Obtained patent for NH3 thermo
freezing ●Delivered the first snow making machine to a Chinese indoor ski resort in Shanghai ●Delivered CO2/NH3 refrigeration system for use in the Mammoth Pavilion at Expo 2005 Aichi, Japan ![]() ●Delivered the world’s first artificial snow making machine to the polar bear pen at Oga Aquarium in Akita Prefecture ●Delivered a small C-LTS system using natural refrigerants (CO2/NH3) to Meiji Dairies Corporation ![]() Commercialized refrigeration systems using natural refrigerants (CO2/NH3) |
●Received the Promotion Award for Heat
sum D, a dynamic geothermal system from Heat Pump & Thermal Storage
Technology Center of Japan ●The redevelopment of central Tokyo spurred deliveries of large air handling units ●Launched Sango, a heat pump chiller using ammonia refrigerant, which received the Chairman’s prize of Energy Conservation Grand Prize for excellent energy conservation equipment ![]() ●Delivered air handling units to the Central Japan International Airport ●Received the 44th Award of Technology from the Society of Heating, Air Conditioning and Sanitary Engineers of Japan for S-VAV ●Our Direct X system received the chairman’s award for outstanding energy saving performance at the 25th assembly of the Japan Association of Refrigeration and Air-Conditioning Contractors in 2007 ![]() |
●Degradation diagnosis of rotor in
main motor in turbo refrigerating system ●17th business office established |
| 1990 | ●Delivered first artificial snow
making machine to Dainaland Ski Resort ●Introduced comprehensive food plant engineering to progress toward HACCP compliance ●Received the Technology Award for highcapacity snow making machine capable of creating dendrite snow crystal at the 26th meeting of the Japan Refrigeration and Air Conditioning Industry Association ●Delivered a bobsleigh and luge course to the Nagano winter Olympics Started development of Freon alternatives and natural refrigerants |
●Delivered air handling units to
Landmark Tower in Yokohama![]() ●Delivered air handling units, package air conditioning systems and chilling units to Kansai International Airport |
●Remote management and surveillance
systems started operation ●Practical training facility completed at the Tokyo head office |
| 1980 | ●The LTS hot gas defrost system
received the Technology Award by FOOMA Japan![]() ●Contributed to the production of NHK program Ultra Eye (All about rime frost) ●Delivered a total of 2,000 LTS units |
●A total of 100,000 SAC strip fin coil
units delivered ●Demand for air conditioning systems for intelligent buildings increase |
●The Service Division was separated
from the equipment head office Service plant and welfare facility were
completed ●System for managing maintenance contracts started |
| 1970 | ●Sapporo Winter Olympics held. Ice
skate rink delivered. ●Delivery of world-first ultra-low temperature refrigerator using LNG (liquid natural gas) ●Deliveries of clean rooms increased |
●Delivered 6,000-ton class (at the time the world’s largest) turbo refrigerating heat exchanger to Narita International Airport | |
| 1960 | ●Delivery of clean room equipment for
manufacturing pure silicon ●Increasing deliveries of large refrigeration systems with 10,000-ton and greater capacity Starting overseas deliveries of refrigeration systems in earnest Deliveries of environmental equipment also increase |
●Delivered 3,000-ton class (at the time the largest) turbo refrigerating heat exchanger to Expo '70 in Osaka | |
| 1950 | ●1952: Company
established. ●Start of deliveries of refrigerating and air conditioning systems to fisheries firms (our major business) ●Sole source equipping of chemical plants and other factories Developed ultra-low temperature system (-100ºC) ahead of competitors |
●Start of air conditioning business ●First air handling unit delivered |







