Carter used excavators for sale price, Jin Hao used excavators, used excavators Gansu provided by Shanghai Jin Hao Used Construction Machinery Co., Ltd .. Used Construction Machinery Co., Ltd. Shanghai Jin Hao (www.jinhaosh.cn) is specialized in "Komatsu excavator, used Hitachi excavators, Used Caterpillar excavators, used Kobelco mining" of the enterprise, the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Mr. Chairman. Excavators at the start of work, but suddenly there will be side tracked and can not move the arm fatigue, is the reason? The reason is that most of the hydraulic oil is not clean, tiny dirt clogging the valve piston in the middle of a small orifice . You can remove the safety valve to clean, remove the orifice clogging it. Orifices are not blocked by personal check used excavators, pressure relief valve is still why not tune up? This situation is due to the majority of the cone valve seat closed lax used excavators for sale, so that the oil pressure does not build C chamber stand up. Capital stock is not used in the domestic excavator market, but troubled, business development needs of liquidity is plagued by mechanical products in stock, as well as the import of second-hand excavator excavator construction machinery joint venture brands in the country has been ruled in the domestic market Carter used excavators for many years selling price, customers buy great part is no more choice Kobelco Excavators selling price, the domestic excavator is in such an environment, preferred to seize the domestic construction machinery market development A prerequisite for the development and scale factor, covering the entire domestic market share of the low-end places hold on their hands. Inventory has now become an important key issues. Furthermore annual technical updates brought escalating product, inventory hoarding too much influence in the coming period is the development of enterprise products.