Yunnan Desen Purification Engineering Co., Ltd.(DS) is a man- ufacturer offers Cleanroom Solutions to meet our clients' particu- lar requirements specialized for pharmaceutical,hospital,biotech- nology ,microelectronicand different industrials cleanrooms. We also provide a range of Clean Room products including wall panel, door & window and a series of clean room equipment.we are committed to continually improving our customer service pro- grams while meeting or exceeding your product quality criteria. With our comprehensive customer solution offerings, excellence in products, and decades of technical expertise, we are confident that DS can match the best to your application.