Dongguan Zhisheng Purification Technology Co., Ltd. is specialized in manufacturing cleanroom equipments and air filters, air diffusers, air grilleswith about 12 years experiences.Our company is located in Donguan City where take bus to Shenzhen airport about one hour. Our company has solid techinical capality with proffesinal Production line and skilled stuff. We are devoted to developing various new models to meet the market demands with the great quality. Our main products are air shower, clean bench , pass box, clean booth, FFU, air filter--pre filter, pocket filter, hepa filter , air diffuser , air grille , control damper, ar damper, fire damper and so on. We manufacture our products strictly in accordance with state standards. With the top-grade product quality in this industry, our company enjoys a great reputation among customers all over the country. Adhering to the operation tenet of "Honesty Service and pursuing Perfection", our skillful and high quality employees will produce the best and the most reliable products with advanced processing equipment and excellent materials. Comprehensive and prefect after-sales services will be available to customers. We are committed to providing the best products and comprehensive after-sales services for all customers.