協友製作所 List of Products and Services

At Kyoyu Manufacturing Co., Ltd., we perform turning, horizontal boring, machining, and welding of stainless steel, aluminum, and copper. We are a group of specialists with proven skills and experience in processing and welding. The mission of Kyoyu Manufacturing is to contribute to the people and companies we are involved with and to be of service to them. We aim to utilize the technologies we have cultivated and inherited over many years not only in the semiconductor and LCD manufacturing equipment fields but also in the medical and environmental sectors. Being a small company allows us to respond with full commitment as a unified team to the representative of a single client. 【Distinctive Technologies】 [Welding] - Primarily focused on airtight welding of stainless steel (SUS) - Material compatibility: Wide range including stainless steel, aluminum, and copper → Particularly, the quality of copper (CU) silver brazing has received high praise from our clients - Not only welding, but we also excel in bending processes for water cooling pipes [Distortion Correction] - We specialize in technology to correct distortions that inevitably occur during the processing stages - For flat plates, we can correct to a flatness of 0.05 to 0.1 for sizes up to 1000 mm square For more details, please contact us or download our catalog.

• Processing Contract
• Contract manufacturing