Environmental Protection System Cleaner Production: Design Excellence PENC's design excellence for this product category has been recognized as early as 1989 when the waste water treatment system received the Hong Kong Governor's Award, achieving 90% water recycling rate in electro-plating factory. Waste Water Treatment System winning the Hong Kong Governor's Awards for electroplating industry. The outstanding elements include high performance, low operation costs, safty and environmental control. Product Category: PENC can provide you with various environmental protection system: Industrial waste water treatment Air pollution control Water recovery and recycling Heavy metal removal and recovery Waste Water Treatment and Recycling System reaching 90% water recycling rate Chrome Recycle System:1)Chrome solution purification: Removable of metallic impurities such as Cu, Zn, Fe, Ni, Cr3+ etc. 2)Chrome drag out solution on-line purification and recycle, Chromic acid recycle and reuse up to 95%. Filtration & Carbon Treatment System Air Scrubber is a highly effective system designed to remove corrosive fumes. Swiss Designed Plastic Centrifugal Fan: Available in PP and PVC. Water Deionization System: Economical, Automatic, Huge Volume Batch Type Waste Water Treatment System, with automatic control and monitoring system Reverse Osmosis for Water Purification and Waste Water Treatment