Lone Star, a private equity firm, completed the acquisition of SENQCIA, a structural building materials company in Japan, from The Carlyle Group, a global investment firm. Financial terms were not disclosed. "We look forward to working with SENQCIA, a market leader in building products in Japan. This opportunity is consistent with Lone Star's strategy to invest in businesses with substantial runway for growth. We are excited to partner with SENQCIA’s talented management team and for the growth opportunities ahead," Donald Quintin, Lone Star President.