Joints: it refers to the deformation of the bridge to meet the requirements, usually between two end of the beam, or set the position articulated joints on the bridge between the end of the beam and abutment. Requires expansion joints in parallel, perpendicular to the axis of the bridge in both directions, can freely scalable, secure and reliable vehicle should be no sudden jump and noise; to be able to prevent the infiltration of rainwater and mud blocked garbage; installation, inspection, maintenance, Elimination of the dirt to be simple and convenient. Set expansion joints, railings and the bridge deck to be disconnected. Bridge expansion joints role: that regulation of the upper structure by the vehicle load and bridge materials caused by the displacement between and bonding. Skew bridge stretching device is damaged, it will seriously affect driving speed, comfort and safety, even cause traffic accidents. At 9:13 on July 1 Xu, in Quanzhou, Fujian Anhai Town extension cord before Lam intersection, a sitting 4 people overloaded motorbike collision with a retrograde car, causing the motorcycle four people lying on the ground injured, one passenger was pregnant. Incident was, a red car reverse driving, sitting four motorcycle just passing through the intersection. After the car suddenly out, the motorcycle driver avoid an emergency left, but the two sides avoid the short distance behind, violent collision of two vehicles. In the moment of collision, motorcycle sitting in the rearmost a Mongolian man flying through the air, then fell to the wife who has been lying on the ground, a son of Mongolia after the fall sitting on the ground crying. Anhui Province: Bozhou, Bengbu, Anqing City, Chizhou, Chaohu City, Chuzhou, Hefei, Fuyang City, Huainan, Huaibei City, Huangshan City Lu'an Ma'anshan City Suzhou City Tongling Wuhu Xuancheng City in Fujian: Longyan City, Nanping, Ningde, Fuzhou, Putian City Sanming, Quanzhou, Xiamen City, Gansu Province: Zhangzhou City, Silver City, Dingxi City of Gannan Tibetan Autonomous Prefecture in Jiayuguan Jinchang Jiuquan Lanzhou, Linxia Hui Autonomous Prefecture of Longnan City Pingliang Qingyang Tianshui City, Wuwei City, Guangdong Province: Zhangye City, Chaozhou, Foshan, Dongguan Heyuan City, Guangzhou, Huizhou, Jiangmen City, Jieyang City, Maoming Meizhou, Shanwei City, Qingyuan, Shaoguan, Shantou City, Shenzhen City, Yangjiang, Zhanjiang City, Yunfu, Zhaoqing, Zhongshan City, Guangxi Zhuang Autonomous Region Zhuhai: Chongzuo Baise Beihai Fangchenggang Guigang Hechi Hezhou Laibin Liuzhou, Guilin, Nanning, Qinzhou City, Yulin City, Guizhou Province, Wuzhou City: Anshun City, Bijie City, Guizhou Guiyang City, Liupanshui City of East Guizhou in southern Guizhou Zunyi Tongren Qianxi Contact: Liu Hongyan QQ: 2638474660 Tel: 0318-6666311 Mobile: 15533808630 Company Website: www.hsguangtong.com