China Sales Center
Tel: +8657689189675
Email: tianyu@rkysy.com
Latin America Market
Tel: 0576-89189685
Email: ok@rkysy.com
Europe & North America Market
Tel: 0576-89189306
Email: hhy@rkysy.com
Row Market（CIS、Turkey、Africa、etc.）
Tel: 0576-89189688
Email: pb@rkysy.com
Securities Investment dept.
Tel: +8657689189669
Email: stock@rkysy.com
HR dept.
Tel: +8657684160783
Email: job@rkysy.com
Purchasing dept.
Tel: +8657689189703
Email: wyj@rkysy.com