ultra-thin to thick plates)
We offer a wide variety of welding techniques ranging from automated welding of ultra-thin plates to manual welding by skilled welders of custom-made thick plates (for boilers, etc.). Our automatic internal welding is known for its quality weld zone, the result of our own technology.

Press working on stainless steel requires special techniques and experience since it is vulnerable to hardening. We meet customer needs by applying our container manufacturing technology. Our technical expertise ranges from spinning of ultra-thin plates to ultra-deep drawing of thick plates by means of 600-ton presses and warm drawing.

In order to the improve anti-corrosion characteristics of stainless steel, we offer a variety of processings ranging from acid cleaning and electrolytic polishing (generation of insulating film) to 800-buff finishing and complex polishing after EP processing. The quality of our delivered products is ensured by ultrasonic cleaning, alkaline cleaning and cleaning with pressurized water (automated on the beer cask production line). (A leakage test is done using He gas.)

Clean Room (Ultra clean containers produced in Class 1000 clean room)

Our Class 1000 clean room assures the ultra cleanliness required for chemical containers for the semiconductor industry and containers for high purity medicines. When the volume of dissolved ions is required to be in the order of PPT, all the parts used are cleaned with ultra pure water and then air-tested in the clean room.