Tianjin Longchuan Precision Cleanroom Technique... is a the leading enterprise manufacturer of making air filter series and cleanroom serires in Tianjin China, our products are mainly used in electronic, pharmaceutical, construction project company, food industry, supermarket, central air conditioner, hospital, power station, etc. Those need air purified fields. Our factory is covered 23800 squaremeters for researching developing manufacturing and office building. We have CE certification-issued by the European Union. Company approved by the British Royal Commission (UKAS) ISO9001: 2000 quality management system certification, and passed ISO14001: 2004 environmental management system certification and OHSAS18001: 2007 Occupational Health and Safety Management System Certification. Longchuan Engineering Co., Ltd. is willing to clean with the professional technology, standardized project management, quality service for customers to create a first-class clean room. Our website:*****</p>