Sign up for an Award
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
Crack Light,a night light,the shape just like crack.In the night,hang it on the wall,just like the wall had acrack. The internal device is simple, and it is easy to replace the light bulbs and batteries.
Guangdong University Petrochemical
Guangdong University Petrochemical Technology