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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000902219-11-000570
Filing Date
2011-02-14
Accepted
2011-02-14 13:46:52
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC FILING sec_filing.htm SC 13G/A 17685
  Complete submission text file 0000902219-11-000570.txt   20101
Mailing Address 280 CONGRESS STREET BOSTON MA 02210
Business Address 280 CONGRESS STREET BOSTON MA 02210 6179515000
WELLINGTON MANAGEMENT CO LLP (Filed by) CIK: 0000902219 (see all company filings)

IRS No.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address NO. 88 GENGSHENG ROAD, DAYUGOU TOWN, GONGYI, HENAN, F4 451271
Business Address NO. 88 GENGSHENG ROAD, DAYUGOU TOWN, GONGYI, HENAN, F4 451271 (86) 371-64059818
CHINA GENGSHENG MINERALS, INC. (Subject) CIK: 0001338578 (see all company filings)

IRS No.: 910541437 | State of Incorp.: NV | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-82195 | Film No.: 11605021
SIC: 3990 Miscellaneous Manufacturing Industries