The Qingdao Dawson Environmental Protection Technology Co., Ltd. 

 Address: 614 Castle Peak Road, Licang 
 Contact: Zhang Ni 
 Contact: 18678467029 
 0532-58723955 
 QQ: 1,728,486,686 

 Workshop clean room, decontamination 
 I undertake in electronics, medicine, food, aerospace, optical, optoelectronic, semiconductor, plastics, chemicals, packaging, coating, cosmetics, health products, research and other industries purification plant, 高标准 workshop to undertake research institutions purification laboratories, hospitals sterile operating room, laminar flow rooms, and other projects to meet the different purification level of customers clean room or clean room 10-100 million level. 
 Dawson service projects: 
 1, the construction of a variety of purification level, technical requirements, the layout of air conditioning and cleaning plant, clean dust-free laboratory; 
 2, design, build food plant purification plant, to assist through the QS certification; 
 3, the construction of the relative negative pressure, high temperature, fire and explosion, noise muffler, efficient sterilization, detoxification row of smelly, static, and other special requirements of purification plant; 
 4, the construction of clean room to match the lighting, electrical installations, power, electrical control system and air-conditioning automatic control system; 
 5, the construction of constant temperature and humidity purification plant system, air-conditioned rooms, freezing rooms; 
 6, to undertake the purification plant ancillary to the drainage, water treatment and air handling systems; 
 7, following a clean air conditioning system engineering consulting, commissioning, to assist detection. 
 Materials of Construction: 
 A clean room walls, roof materials commonly used 50mm thick sandwich color steel plate, and purification for the oxidation of aluminum manufacturing. Doors clean up the closed door, window using aluminum alloy sealed glass fixed window. 
 (2) the epoxy resin the artesian floor, anti-static PVC floor or advanced wear-resistant plastic clean the floor on the ground. 
 Clean ventilation ducts selection of galvanized steel plate or spray a thin steel plate, and the PEF flame retardant insulation board for thermal insulation.