We are manufacturer of professional designing and manufacturing on Assembly Clean Room(clean level is from 100 level to 300,000 level), Lower / Middle and Efficient air filter, Airshower Series , Laminar flow hood series, Cleaning workbench, Transfer window , Efficient delivery outlet series, Control valve of air volume, Returning air louver equipments and products and accessories for Purification of air-conditioning.,also can do OEM products according to sample or drawing from customers.It has established business relations with more than 110 countries and regions all over the world against our high-quality products, most attractive price and efficient service.