TrademarkOKAYA SEIRITSU ENGINEERNG CO., LTD.
AddressHeadquarters and Factory
1-18-1, Senjumidori-cho, Adachi-ku, Tokyo Japan 120-0044
TEL: +81-3-6812-0201 (main number)
FAX: +81-3-6812-0203

FoundedAugust 1950
Capital50,000,000 yen
RepresentativePresident Toshiyuki Sakamoto
No. of employees100 (as of March 1, 2019)
BanksMitsubishi UFJ Bank Senju Branch
Mizuho Bank Senju Branch
Affiliated groupsInternational Society for Pharmaceutical Engineering (ISPE)
Construction business permitTokyo Governor’s permit (General – 13) No. 128960
Device, instrument, and apparatus installation and construction business
ISO certificationISO 9001:2015
Main products for saleFilled beverage bottle inspector
Clean room pressure control equipment
Ultra-clean device interior pressure control equipment
Room pressure controller for air conditioning
Industrial waste treatment facility room pressure control equipment
Combustion furnace control equipment
Blower surge prevention equipment
Sewage purification aeration controller
Boiler automatic incineration control equipment
Boiler water supply control equipment
Industrial furnace automatic incineration control equipment
Lime combustion furnace fuel distributor
Cement kiln instrumentation devices
Furnace pressure control equipment
Steam turbine regulators
High-speed actuators for wind tunnel testing
Strip guide system
Large hydraulic unit for steel blast furnaces
Hydraulic unit for furnace top pressure power generation
Hydraulic gate operating unit for drainage pump stations