On August 28, 2021 morning in refractory industry in hebei province association; deputy head jing-long bu, GongHaiGuo, director of the office, and the window of the refractory material between marketing director Feng Weizhang, outreach center Wang Jingfu visit tangshan kosu special ceramics manufacturing co., LTD., the two sides have refractory material in hebei province association activities and cloud service subsidies to have reached a consensus in hebei province in 2020, will continue to strengthen with the window of the association of hebei province refractories and refractory material cooperation!