... 3mm,200pcs/B,145L/B,single weight Cotton absorbent pads Crank out with one time,with Dimpled& ... mines, iron and steel factory, metal processing factory, oil refineries, oil companies, shipyard, chemical, food processing plants, paper mill ... , optical fiber factory, enterprise, oil/chemical storage companies, oil refineries, oil depot, environmental cleaning companies, leakproof contractor, ...