
Tannery waste liquid recycling process solves the problem of polluting the world
Chemical pollution has always been a problem that plagues the development of the tanning industry. The R&D team led by Zhang Zhuangdou, a famous philanthropist and chairman of Baoska (Shangqiu) Chemical Co., Ltd., has developed the “Tanning Waste Liquid Recycling Process” after many years of research and development. , so that this worldwide problem can be solved. Recently, this patent has passed the examination of national…