Knitted multilayer catalysts/recovery gauzes made of precious metal or precious metal alloys mixed with chemical agents for use in the manufacture of industrial chemicals

knitted multilayer catalysts made of precious metal or precious metal alloys mixed with chemical agents for use in the manufacture of industrial chemical

iron based alloy for engine components

Purification of industrial waste water, Industrial treatment of effluents, namely, biological wastewater treatment, and nuclear waste treatment, Treatment for water pollution prevention, Rental of water purifying apparatus, Waste water reprocessing, Treatment of waste water, Services for the treatment of sewage