"Split-type self-service baby feeding bottle", patent number 90226352.8, won gold medals three times at national expositions;
"Adjustable toilet anti-skid cover", patent number 91202951.X;
“Strong double-sided bicycle brake pads”, patent number 92204552.6;
“A (beam) claw wrench”, patent number 93218174.0;
"New adjustable wrench, patent number: CN94209322";
"A multi-purpose quick wrench, patent number: CN00120573";
"A quick open-end wrench, patent number: CN201210102270 ";
"Adjusting self-tightening wrench", U.S. Patent 5,542,319, etc.