先生製作所 Company Profile

Continuously discovering and creating common values together with everyone.

Since its establishment, Seisaku Co., Ltd. has accumulated over 40 years of experience and achievements in cylinder boring processing. Utilizing this know-how, we have developed unique boring and honing machines, receiving numerous satisfied voices from our customers. We value communication with our customers and aim to provide uncompromising quality and technology, continuously striving for improvement in our operations.