The basic method of folding Edit this paragraph 1, ratio analysis. It is the basic method of financial analysis, is the main method of quantitative analysis. 2, trend analysis. It has the same unit of the underlying financial indicators for several consecutive years of data for longitudinal comparison, observe its growth. Through trend analysis, analysts can understand the business development trends in specific areas. 3, the structure analysis. It is through the corporate financial indicators in the proportion of each sub-project or project component in the overall analysis of the hydraulic motor, taking into consideration the status of each sub-project in the overall project. Hydraulic (liquid pressure) is generated by the pump. There are a variety of pumps: vane pumps, gear pumps, screw pumps, piston pumps, ....... There are a number of different structures in each type. You ask piston hydraulic motor parts, there are multiple styles, structures. The radial, axial, single plunger multi plunger, ....... They have one thing in common: The plunger plug the hole in the hydraulic motor repair, the plunger reciprocates in the hole, (the same as the bellows), oil, drain. Put the pressure of pressurized oil into the oil. Sales of hydraulic motors | Hydraulic Quality Assurance and crystal-invasive (certified) | hydraulic motors from Jinan Jing Chong Hydraulic Machinery Limited. Jinan Jing Chong Hydraulic Machinery Co., Ltd. (www.jnjcyy.com) (www.jnjcyy.com) Shandong Jinan, mining machinery leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. In the crystal creating hydraulic leadership with the staff warmly welcome all inquiries negotiations to create the crystal creating hydraulic better future.