GreenTree(GHG) - 2019 Q4 - Annual Report

| UNITED STATES | | --- | | SECURITIES AND EXCHANGE COMMISSION | | WASHINGTON, D.C. 20549 | | FORM 20-F | | ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 | | OR | | ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | | For the fiscal year ended December 31, 2019. | | OR | | ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | | OR | | ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 ...