Our Youtube Channel
We offer some vidio documentaries to Youtube which  demonstrates various arts, crafts and technologies for those who are hobbyists or interested in DIY. You may subscribe our channel according to the "url" shown below:
youtube um--diy channel


Face Mask Frame

mask frame

Surgical Mask (level 2 with international certification)

sunlight face mask
test report

Crystal Items

This elegant and graceful series of crystal product will definitely give you more choices.

KD Series Crystal Products

Catalogue of Trophy

The catalogue of vt series of metal cup is released. Click the left image to view the catalogue.

metal cup 2010