Roll Flat 12, 8/F Wing Hang Industrial Building, 13-29 Kwai Hei Street, Kwai Chung, N.T. 葵芳葵喜街13-29號 永恒工業大廈8樓12室 Opening Hours : 9:30am - 6:30pm(Monday to Saturday) 2191 9212 rolltst@yahoo.com