Obtained patent certificate of Swallow-tail guide rail pair... 1998-01-21 00:00:00

Successfully Manufactured PCL-8/2200 (4th generation)1997-08-11 00:00:00

Invented perfect structure to execute shuttle motion1996-10-19 00:00:00

Received patent certificate of The Shuttle of Plastic Circular Loom1994-07-20 00:00:00

Applied for patent of The Shuttle of Plastic Circular Loom1993-08-15 00:00:00

3rd generation circular loom (S-YZJ-6/1600 Six Shuttles )1993-06-11 00:00:00

2nd generation circular loom(S-YZJ-4A Four Shuttles )1991-03-03 00:00:00

Discovered and setup the new motion principle of shuttle1990-10-01 00:00:00