since 1991 .
we have the advanced technology from Japan and Germany which make the quality much better than before
All of our raw material bought from fushun steel factory which is the largest steel mill in China, good raw material make good products
We will inspect the raw material in our lab after we received it . We control the quality strictly from the heat treatment to the final package, and we have inspected report for every process.
we have advanced equipment such as imported from Japan grinding machine, CNC drilling machine, to make our quality is good and stable.