 Greenland Technologies Holding Corp.s stock nearly tripled on very heavy volume Thursday, after the maker of electric industrial vehicles announced a cooperation agreement with China-based Fujian South China Heavy Machinery Manufacture Co. Ltd. SOCMA, in which Greenland will use SOCMAs supply chain and certain technologies to support EV production in the U.S. The stock soared 179.3 on volume of 14.4 million shares, which compares with the full-day average of about 186,300 shares over the past 30 days. 