With perfect quality control system and processing equipment

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Domay and the majority of users work together to create the future

Changzhou Duomai Mechanical and Electrical Equipment Co., Ltd. is located in the economically developed area of the Yangtze River Delta, close to the Shanghai-Nanjing Expressway and has convenient transportation. Is a professional agent BERNSTEIN / Testo Instruments / DPMA hydraulic valves and other international brands. The company has a group of professional design and commissioning personnel who have been engaged in this industry for more than ten years. Have perfect quality control system and processing equipment. Product quality is stable and trusted by customers. We will win with high-quality products, reasonable prices and timely after-sales service.Win the market, work together with the majority of users, and create a better future.


Understand the development status, products and industry information of Domaine

Hydraulic system oil pollution control and hydraulic oil filter selection skills

In the hydraulic system, most of the failures are caused by hydraulic oil pollution, impurities in the oil and other reasons. Therefore, by controlling the degree of oil…


Selection of hydraulic throttle valve

In the hydraulic system, the general hydraulic power source (hydraulic pump) is shared. To solve the different working speed requirements of various actuators, it is necessary to use a hydraulic throttle valve to adjust the control.


Difference between AC and DC direct current solenoid valve

The common voltage of hydraulic solenoid valve is AC AC 110V, 220V, DC DC 12V, 24V.