SENJO SEIKI Programless Deburring and Chamfering Machine, Model PLC-201, up to 200mm diameter SENJO SEIKI Co.,Ltd. is an integrated manufacture of Program Less Chamfering & Deburring Machines. SENJO SEIKI uses their vast experience in chamfering and deburring, along with the most advanced technologies, to design and manufacture highly reliable and robust machines. In 1997, we launched our first Program Less Chamfering & Deburring Machine utilizing our patented tracing system techhnoloby. In recent years, the demand for higher quality chamfering and deburring processes has grown. Manufacturers have found it extremely difficult to meet their customer's demands using existing technologies. These quality challenges and the increased demands of customers can be achieved now with the expertise of SENJO SEIKI.