NIHON SEIKI CO., LTD.

The insert and core die is one of our main item. Especially, Water Jacket (WJ) for Engine block die-casting die is our special product. We produce over 100 pieces WJ a year (sales result in 2013-2014)
Our quality is a result of our 100 year history. We have produced 250 complete Engine block die-casting dies so far. We have the newest technology and equipment including 3 axis, 4 axis, and 5 axis CNC machines. We use hard milling and the result is making less use of EDM. It will increase shot count life for your die-casting die. Our experience and new technology will help expand your future.