Five kinds of properties a suitable viscosity, good viscosity-temperature characteristics 2, good lubricity Zhengzhou high and low pressure electric pump, oxidation resistance 3, good corrosion resistance and shear Cean qualitative 4, good resistance to emulsification and seal 5 material adaptability, good anti-foam and air release. In the actual test run after the unit 2 to 3 hours, Jiangxi high and low pressure electric pump, make a final check, if no adverse phenomenon is considered qualified to install. Temperature and vibration in the commissioning process to check the situation in Qingdao bearing high and low pressure electric pump, Texas aerospace hydraulic, high and low pressure electric pump provided by the Dezhou City aerospace hydraulic machinery plant. Dezhou City aerospace hydraulic machinery plant (www.sdhtyeya.com) is a leader in Dezhou, hydraulic equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Texas aerospace hydraulic leadership with the staff warmly welcome all inquiries negotiations to create the Texas aerospace hydraulic better future.