In series is the most simple and common way of complex hydraulic repair Yan'an Road mixing machine manufacturers, is set up mechanical transmission between the output terminal and the drive axle hydraulic motor or hydraulic transmission to expand efficient district governor, achieve sub-free variable speed. Has been widely used loaders, Combine Harvester and certain specialty vehicles. Its development is to be transformed in the road between the ratios of planetary power shift transmission is mounted directly on the drive wheels within Yan'an Road mixing machine hydraulic repair factory, to achieve a higher gear ratio hydraulic drive wheel, so as to cancel the drive axle Yan'an Road mixing machine hydraulic repair factory, easier layout. Under pressure to ensure the valve setting exact premise, "flexible valve" structure allows the valve reaches the set pressure at operating pressure over 96% are still without leakage. Crosby by the results of our spring safety valve setting check statistics show that the flexible valve flap valve can be pre-discharge point of 98.5% or even 99% of the set pressure, and accurate take-off, the back seat altogether, no leakage. Road mixing machine hydraulic repair factory, Xi'an Chengtong hydraulic maintenance, Yan'an Road mixing machine hydraulic service from Xi'an Chengtong hydraulic maintenance Limited. Xi'an-hydraulic-repair Ltd. (www.huosu360.com) is Xi'an, industrial maintenance, installation of leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Xi'an Chengtong hydraulic service leadership with the staff warmly welcome all inquiries negotiations to create Xi'an Chengtong hydraulic service better future.