... factory/plant/supplier/exporter/producer/seller! SHANGHAI TIANLI CHEMICAL CO.,LTD. Top caustic soda/sodium hydroxide/NaOH manufacturer/plant ... of chemicals, paper, pulp, aluminum smelting, refining tungsten, artificial silk, rayon and soap manufacturing.3 ... in petrochemical industry... in water treatment... in pharmaceutical industry... in mining industry... in food industry for chemical peeling of ...