In 1994, China's first company which import glass bead road stud from Taiwan
In 1995, YDM solve the problem of epoxy installation
In 1996, developed aluminum reflective road stud with 43 glass beads
In 1997, developed plastic reflective road stud with 43 glass beads
In 1998, developed plastic reflective road stud and five kinds of anti glare board
In 1999, developed trapezoid delineator
In 2000, developed flexible attached delineator
In 2001, YDM is China first company which developed triangular column delineator and PVC flexible delineator. Aluminum reflective road stud can bear 30t compression resistance
In 2002, developed lane divider which is more warning than yellow line and TPU warning post which can  replace concrete guardrail
In 2002, developed green olive anti glare board and solar road stud
In 2003, developed aluminum solar stud to solve road problems in foggy days and banana leaf anti glare board
In 2004, developed plastic solar road stud
In 2005, developed the cat’s eye road stud which can replace marking and solar traffic sign. 
In 2005, developed herringbone anti glare board
In 2006, developed tunnel electric traffic sign and fiberglass traffic sign
In 2007, developed wired aluminum road stud and FRP solar traffic sign
In 2008, developed long-lived solar stud with capatitor，active and passive solar studs, tunnel electric traffic signs and sun stone road stud
In 2008, developed FRP anti glare board and ancient coin anti glare board
In 2009, developed banana leaf anti glare board and ancient coin anti glare board
In 2010, developed wired tunnel road stud
In 2011, developed solar crystal road stud
In 2012, developed solar delineator
In 2013, developed heavy duty anti glare board and column delineator
In 2014, developed embedded solar road stud
In 2015, developed 360 degree solar post light