Ma zigang. According to the enterprise's webpage, Ruth Insulation Board Supply Office in Yuzhou City was established on 20 13-07- 19, with Ma Zigang as the operator and the enterprise address in Asai Village, Asai Town, Yuzhou City. Its industry is wholesale, and its business scope includes sales of building materials and insulation boards. The current operation status of the insulation board supply office in Ruth, Yuzhou City is survival (operating, opening and registered).