... resisting, wear-resistant, flexibility, inpact resisitance, excellent non-sticky, Our drum factory was established in 1979,with an area ... wear-resistant, flexibility, impact resisitance, excellent non-sticky, anti-dump, anti-salt, anti-mold, which is called non-brokern and porcelain expansion ... , and also have a good function of anti-crorosion on a variety of oils, alcohols, acids, ...