KOYO-Hong Kong
Add：Rom, 02,31/F Sino Plaza, 255-257 Glouester Road, Causeway Bay, Hong Kong.
Tel: 852-2575 3777
Fax: 852-2803 5660
E-mail: tmchung@netvigator.com
KOYO-Chengdu
Add:
Tower1,TriunphPlaza,No.118Jitai 5thRoad,Hi-techZone,Chengdu
Postcode: 610041
Tel: （86）028-62030853 62030855
Fax: （86）028-62030816
Website:
http://www.bjscien.com/KOYO-Investment sector Add: