The company is engaged in environmental systems dust, microbes, pollution control, air filter products. Clean air conditioning control systems engineering, innovative technology companies. By "Dekebeier" R & D center, "Dekebeier" clean division, "Dekebeier" Air Conditioning Division, "Dekebeier" Engineering Division composed. Headquartered in Dongguan, China Asia Pacific region. Dirk Bell City Environmental Systems Limited is engaged in the field of air cleaner product development, manufacturing, sales; "Dekebeier" brand air filter, clean room equipment (microelectronics, optics, semiconductors, integrated circuits, precision instruments, aerospace technology, medicine, food and other high-tech industries); development and application of clean air conditioning; clean room systems engineering consulting, design, construction and to provide supporting high-quality products and efficient services specialized enterprises. "Dekebeier" brand products are: air filter (initial efficiency air filter, medium efficiency air filters, HEPA. ULPA air filter); clean room equipment (air shower room, cargo shower, clean bench, FFU clean unit, the transfer window, HEPA, clean studio, clean production line and other cleaning equipment ......); air (clean air conditioning units, air temperature and humidity machine ......) cleanroom cleaning supplies (clean room vacuum cleaner, anti- static products, clean, sterile cloth) All products are according to international standards (ISO/9001, ISO/DIS14644-1, USA / SMACNA GB50243-2001) manufacture. Dirk Bell company has advanced production equipment, testing equipment and professional clean engineering and technical personnel, global management. From raw material procurement, manufacturing, processing, and sales to customer terminals, each process through rigorous testing and control. Ensure that each product quality, product sales throughout the world, customers from home and abroad companies, engineering and construction companies. And customers alike. Dirk Bell of "honesty, Virtuous", business philosophy of "quality first, customer first, innovation, excellence" purposes, to create new value for customers.