ACEN, acronym of Always Clean Environment, is a technology-intensive venture enterprise that develops environment pollutant-precision sampler to keep a cleaner and greener environment, providing solution to diagnose, reduce, and prevent substances that cause the pollution. "Creative Thinking" ACEN always tries its best to challenge what’s new and does its best to create values. ACEN contributes to the settlement of civil complaints related with malodor by developing the odor and VOC automatic trapping system controlled by cell phones for the first time in the world. "Being Faithful to the Basics" We will grow into a world's leading enterprise by realizing customer satisfaction through our best products, and much better services, with the attitude of being faithful to the basics. "Consideration of the Customers" We will be an enterprise that understands and implements what customers really want while always being considerate to them.