these two ones are the same person, Mary Yu(Yu Qiuyue ).

Mary yu
Human Resource Manager at Guangzhou Worlda Cultural &Educational Service CO.LTD
http://www.linkedin.com/pub/mary-yu/26/19/412

Mary Casey Yu Yu Qiuyue
vise-president at ju long froup jilong coal mining
Guangzhou, Guangdong, ChinaMechanical or Industrial Engineering
http://www.linkedin.com/profile/view?id=138867448&authType=NAME_SEARCH&authToken=W5ir&locale=en_US&srchid=1373175511373043648471&srchindex=2&srchtotal=2&trk=vsrp_people_res_name&trkInfo=VSRPsearchId%3A1373175511373043648471%2CVSRPtargetId%3A138867448%2CVSRPcmpt%3Aprimary

the scammer's real Chinese name is Yu Qiuyue.

Guangzhou Worlda Cultural &Educational Service CO.LTD is scam agency. it will sell you to "schools", and give you litter money by 20 days delayed ;

Guangzhou Worlda Cultural &Educational Service CO.LTD will exploit you like slavers or animals. Worlda's contract is full of shits. and lots of illegal parts are in worlda's contract, which are against China Labor Law. Worlda and Mary Yu will always breach the contract signed with you.