HAMLET — Richmond County officials and Enviva Biomass leadership held a triumphant groundbreaking ceremony Monday morning to welcome the new wood pellet-processing plant that represents a $100 million investment in the county and promises to bring as many as 80 jobs….The Richmond County plant will be the fourth in the state. … The other two plants are in Ahoskie and Garysburg. Enviva also has facilities in Virginia, Mississppi and Florida. …Royal Smith, executive vice president for Enviva, highlighted the benefits the company has brought to North Carolina and what it promises to bring to the county in his speech before the ceremony. “We’ve built a sustainable supply chain that takes wood fiber that land owners in North Carolina want to sell, makes that fiber transportable, and gets it to customers who want it around the world,” Smith said