steel-door-supplier

The operation of the industrial chiller system is accomplished through three interconnected systems: a refrigerant circulation system, a water circulation system, and an electrical control system. Refrigeration cycle system: The liquid refrigerant in the evaporator absorbs the heat in the water ---MORE---

Ningbo Yinzhou Zhengli Hydraulic Technology Co., Ltd. (long-term stock supply of Rexroth, Sao, Linde, Vickers and other hydraulic pump valves and accessories) We specialize in hydraulic parts overhaul and design and manufacture, hydraulic maintenance, hydraulic pumps, Overhaul of hydraulic motors, ---MORE---

Signed a Beijing Mingdun walk-in constant temperature and humidity laboratory! Beijing Mingdun is a high-tech private enterprise with independent innovation technology. It is registered in Zhongguancun High-tech Park. It is mainly engaged in the research of transparent and opaque anti-impact high ---MORE---

The difficulty of a novice valve salesman: First of all: to be a valve salesman, you must have a proficient study of the valve model, each number, each letter represents what it means, if a valve type is not clear, this will lead to election Type of error, which leads to the tragedy of the custom ---MORE---

The wide use of titanium dioxide is recognized by all walks of life, and there are many industries involved. Let's take a look at the production of paper that titanium dioxide can be used in the paper industry. Papermaking is the third largest user of titanium dioxide. In low-grade paper, tit ---MORE---

"Water is the source of life, the foundation of all things. It is very important for the whole earth and the whole humanity. It is the responsibility of each of us to save water and protect water resources. Whether it is production water, domestic water or ecological water, Should be used ---MORE---

Analysis and elimination of water leakage fault of submersible pump 1. Before using the submersible pump, check the cable, switch, electric shock protector, etc. The switch and other electrical appliances should work normally, the cable is not damaged, and pay attention to carefully identify the ---MORE---