Delong cab usability concerns. Delong cab usability aspects include: HMI elements reasonable, readable interface and control feel good. Only by anthropometry and biomechanics knowledge and data, in order to ensure the cab environment suitable for the physical and psychological characteristics of human heavy truck cab drivers to ensure a healthy working posture, making people work both efficiently complete ' they feel comfortable and will not produce fatigue. Cab seat design parameters should meet the "seat - settee" angle of 92 degrees, 7 degrees inclination seat after seat height 43-50cm, seat depth is 48-52cm, seat depth is 40-42cm, backrest height 45-50cm, influencing factors, including the degree of visual dashboard perspective and horizon, dashboard own dimensions, the size ratio of the display arrangement and shape information and graphics, digital, display color and other factors. Should be simple, eye-catching design as the main language of Shandong heavy truck cab, avoiding complicated graphics. Heavy truck cab - vehicle cab driver supply deal with a convenient working conditions, the crew aboard the supply of comfortable cozy conditions, try to take care of them from the vehicle shaking when walking, noise, emissions and external intrusion attacks despicable climate learning impact. Little structural approach and transport facilities on the cab also help bridge crane safety and mitigate the consequences of accidents. Heavy truck cab should have a reasonable guarantee of transport external style when the vehicle traveling can be useful to guide airflow around four to derogate from air resistance and burning material consumption. Besides this, China's heavy truck cab, the cab should also help increase vehicle stability walking prison conditions and improving engine cooling of the engine, and safeguards the body in a satisfactory ventilation. Transport cab is still a delicate synthesis of art, sculpture should form its clear, elegant decorative pieces and decorative materials inside and get a nice color make sense of beauty, many people survive dotted background Shandong Heavy Duty Truck cab, Jinan Yiu Cheung (certified), heavy truck 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.