Preparations before welding repair method: hand wheel weld crack at the original oil, paint and rust cleaned. By gouging machine will weld crack plane cut out, cut to the body side of the plane, and the cleaned base material hardened conventional welding area. After cutting plane with the angle wheel will cut polished smooth (inside interfaces polished V-shaped groove), cleaning, inspection pink, Nanjing second-hand digging machine, make sure all cracks have been found and removed. Excavators are large economic investment in fixed assets, 130 second-hand digging machine, to increase its useful life greater economic efficiency, the transfer of second-hand digging machine, the device must be done be people, machines, scheduled jobs, Kubota used digging machine, clear responsibilities. You must transfer Kong, the device should be disclosure. After excavator enter the construction site, the driver should observe Face Geology and surrounding environmental conditions, shall be no obstruction in the rotation radius excavator, so as not to scratch or damage caused by vehicles. Used excavator transactions _ Kim Ho used excavators (certified) _ Used excavator Liaoning Jin Hao from Shanghai Used Construction Machinery Co., Ltd. Shanghai Jin Hao Used Construction Machinery Co. (www.jinhaosh.cn) is the Shanghai Minhang District, mining machinery leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Kim Ho used excavators in leadership with the staff warmly welcome all inquiries negotiations to create jinhao used excavators better future.