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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000902219-10-000544
Filing Date
2010-02-12
Accepted
2010-02-12 10:54:25
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC FILING sec_filing.htm SC 13G 17802
  Complete submission text file 0000902219-10-000544.txt   20118
Mailing Address 75 STATE STREET BOSTON MA 02109
Business Address 75 STATE STREET BOSTON MA 02109 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
SIC: 0000

Mailing Address TANG XING SHU MA BUILDING, SUITE 418 TANG XING ROAD XIAN, SHAANXI PROVINCE F4 00000
Business Address TANG XING SHU MA BUILDING, SUITE 418 TANG XING ROAD XIAN, SHAANXI PROVINCE F4 00000 86-29-88323325
China Natural Gas, Inc. (Subject) CIK: 0001120830 (see all company filings)

IRS No.: 980231607 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-61883 | Film No.: 10595472
SIC: 4923 Natural Gas Transmisison & Distribution