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, 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, cab seal due to problems caused by the exhaust into the cab interior, mainly carbon monoxide and other harmful substances. In addition there is a class of pollutants from the external environment of the vehicle, when the vehicle is poor external environment Delong cab accessories, there will be some dust and particles through the gap into the cab sealed inside the cab, the cab of these pollutants on staff The normal physiological function of devastating in heavy truck cab for smooth discussion in the cab found Delong, commercial vehicle structure covered parametric, parametric performance suspension system, the main suspension performance parametric etc. These two parameters selected variables appropriate or not for heavy truck cab stability have some impact, because this kind of impact on how heavy truck cab smooth implementation of key parametric good selection and good fit is to improve weight Steam Cab shut tight smooth path. Preset in the vehicle, heavy truck cab suspension system default is preset vehicle consisting of a partial shut tight. Until now, many domestic companies will be heavy truck cab suspension system technology into commercial presets to grow heavy truck cab stability. Said heavy truck cab suspension is the use of a spring suspension system damping elements, the heavy truck cab suspension on the frame. Until now heavy truck cab suspension system according to the structure of the way the main points covered by full floating cab two kinds of heavy truck cab and semi-floating heavy truck. Full floating cab that heavy truck heavy truck cab by four groups all around the elastic elements constituting the heavy truck cab mounting system mounts on top of the frame. Heavy truck full floating cab suspension system consists of front and rear suspension system consisting of two groups, the structure covers the coil spring front suspension, Jane damper lateral stability prison bars, rod, etc., after the suspension structure covering beams, coil springs and levers and so on. Delong cab price, Jinan Yiu Cheung (certified), Linyi Delong cab provided by Jinan Yiu Cheung Trading Company. Jinan Yiu Cheung Trading Company (www.jinanyaoxiang.com) Shandong Jinan, engine assembly leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Jinan Yiu Cheung leadership with the staff warmly welcome all inquiries negotiations to create Jinan Yiu Cheung a better future.