 SHANGHAI, March 17, 2021 PRNewswire -- Ossen Innovation Co., Ltd. Ossen Innovation or the Company Nasdaq: OSN, a China-based manufacturer of an array of plain surface, rare earth and zinc coated pre-stressed steel materials, today announced that preliminary revenues and gross profit attributable to Ossen Innovation for the full year 2020 are expected to be 139.0 million and 23.9 million, compared to 138.9 million and 22.4 million for the same period of last year. 