Shandong Yanhe Chemical Co., Ltd., is a manufacturing and trading combo. The main products are industrial hydrogen chloride (purity: 99%), chemical hydrogen chloride (purity: 99.8-99.9%), electronic hydrogen chloride (purity: 99.998-99.999%), high purity chlorine (purity: 99.999-99.9995%).

Zibo Wandali Special Gas Factory is directly affiliated to the hydrogen chloride production base of Yanhe Chemical.