Best embodies the evaluation parameters heavy truck cab cab environment is sealed. With good sealing effect of driving environment for the occupants is undoubtedly a pleasure, no sealing effect for a cab should not be called a cab, because of the presence of the cab is to provide closure to the occupants safe cab environment. Vehicle cab environment include: layout, sealed cab cab structure, steering mechanism, vibration, noise, and operating comfort and cab configuration, etc. (mainly refers to the electrical system and the air conditioning and ventilation systems, etc.) . Environmental sealed heavy truck cab. Vehicle cab which includes the physical environmental conditions of air quality and the air temperature, humidity and wind speed. Cab humid environment is an important factor in decisions affecting operational efficiency and operator of health. For the vehicle cab, the body's own paint, glue and some plastics and polymer composites Shandong Delong cab, with some inherently harmful substances. Another vehicle seat cushion, floor mats and interior products are always some of the release of harmful gases. There are a large part of the interior of the cab of pollutants from engine exhaust Delong cab accessories, due to the cab sealing problems caused by exhaust into the cab interior, mainly carbon monoxide and other harmful substances. In addition there is a class of pollutants from vehicle external environment Shaanxi Automobile Delong cab assembly, vehicle when the external environment is poor, there will be some dust and particulate matter by cab sealing gap into the cab interior, these pollutants normal physiological function of the cab personnel devastating cab Shaanxi Automobile Delong, Delong cab, Jinan Yiu Cheung Yiu Cheung provided by Jinan Trading Company. Jinan Yiu Cheung Trading Company (www.jinanyaoxiang.com) strong, credible, in Jinan, Shandong engine assembly industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead you hand Jinan Yao harmony into the brilliant, for a better future!