Press release content from PR Newswire. The AP news staff was not involved in its creation. Trina Solar proves its high mechanical reliability of Vertex 670W module, after passing 6 rigorous tests July 30, 2021 GMT CHANGZHOU, China, July 30, 2021 /PRNewswire/ -- Recently, Trina Solar released a series of testing results on the mechanical reliability of the 670W Vertex module. Covering six tests, including static mechanical load test and five rigorous tests including non-uniform snow-load test, extreme low-temperature mechanical Load test, hail test, extreme DML test and extreme wind tunnel test, the serial testing results achieved an across-the-board verification of the excellent mechanical load reliability of the 670W Vertex modules.