NIHON SEIKI CO., LTD.

Auto transmission die-casting dies and transmission case die-casting dies are also the most representative items in our products, and we have produced over 1000 pieces for each item so far.
As well as Engine block, transmission case is very important part.
We specialize in producing spline cores for FF and FR.
We have produced 50 pieces of spline a year (sales result in 2013-2014).
We always use the 5 axis machine, reducing the need for EDM and to keep items a good quality. Our specialized spline cores will win in a highly competitively market.