[1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY): Columbia Wanger Asset Management, LLC 04-3519872 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) ¨ x 1 (a) 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5 SOLE VOTING]
[I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Zhaowei Jin 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* ¨ x (a) 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION People’s Republic of China NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5 SOLE VOTING POWER (1) 4,068,659 ordinary shares 6 SHARED VOTING POWER]
[13 G CUSIP No. 58403M102 Page 2 of 9 Pages 1 Name of reporting person EVER KEEN HOLDINGS LIMITED I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) 98-0567384 2 Check the appropriate box if a member of a group ¨ ¨ (a) 3 SEC use only 4 Citizenship or place of organization BRITISH VIRGIN ISLANDS Number of shares beneficially owned]
[2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* ¨ x (a) 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION NUMBER OF 5 1 SOLE VOTING POWER 6 SHARED VOTING POWER 7 1 SOLE DISPOSITIVE POWER 8 SHARED DISPOSITIVE POWER]
[CUSIP No.: G90565 10 5 SCHEDULE 13G (1) Name of Reporting Persons]
[13 G CUSIP No. 58403M102 Page 2 of 9 Pages 1 Name of reporting person EVER KEEN HOLDINGS LIMITED I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) 98-0567384 2 Check the appropriate box if a member of a group ¨ ¨ (a) 3 SEC use only 4 Citizenship or place of organization BRITISH VIRGIN ISLANDS Number of shares beneficially owned]
[CUSIP No. G21174100 13G]
[2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* ¨ x (a) 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION NUMBER OF 5 1 SOLE VOTING POWER 6 SHARED VOTING POWER 7 1 SOLE DISPOSITIVE POWER 8 SHARED DISPOSITIVE POWER]
[13 G CUSIP No. 65487X102 Page 2 of 12 Pages 1 Name of reporting person SEQUOIA CAPITAL CHINA I, L.P. (SCC I) I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) 20-3514012 2 Check the appropriate box if a member of a group ¨ ¨ (a) 3 SEC use only 4 Citizenship or place of organization CAYMAN ISLANDS Number of shares]
