Heavy truck cab in the sun's ultraviolet irradiation, the film constantly evaporating into the air to protect their own oil the role. A long time will make too much oil paint loss. Brightness and depth of finish are greatly reduced, so that white paint slowly, forming an oxide layer. Visually observable paint hair black, white, dull and so tga cab, severe oxidation by grinding and polishing. Welding clamp selection should follow and consider the following general principles and factors. 1. Select welding clamp type: X-type spot welding tongs for spot-level and close to the solder joint horizontal position, the trajectory of the electrode arc line. 1071 Cab C-type spot welding joints for spot welding tongs vertical and near-vertical electrodes in a straight line. Under normal circumstances, the joints than 300mm from the edge of the case parts selecting X-type welding clamp cab off point less than the case of 300mm from the edge of the workpiece can choose X, C-type welding clamp. Only close to the workpiece in a direction from the place, it should be used in C-type welding clamp. From two directions close to the workpiece, but smaller work space, you should choose X-type welding clamp. Cab lights | Jinan Yiu Cheung (certified) | cab provided by Jinan Yiu Cheung Trading Company. Jinan Yiu Cheung Trading Company (www.jinanyaoxiang.com) Shandong Jinan, engine assembly leaders, 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 the Jinan Yiu Cheung better future.