The specifications of the fine parts processing industry are very strict, and there are different processes such as cutting in and cutting out in the processing process. There will be different detailed requirements for the size depending on the product, and the processing accuracy requirements will... read more
With the development of automation equipment from time to time, the development in the market is in full swing, which is a good profit for businessmen. It can be carried out to this day, it depends on the hard work of the technicians, the processing of fine hardware and mechanical parts is one of th... read more
Refrigerants are also called refrigeration working fluids, commonly known as refrigerants in some areas in the south. It is a working substance that continuously circulates in the refrigeration system and realizes refrigeration through its own state changes. The refrigerant absorbs the heat of the c... read more
The first factor is the price of R134A refrigerant. Only when the price is right, there is room for negotiation. The price of R134A refrigerant is right, and environmental protection requirements must be considered. Choose refrigerants that comply with national environmental protection regulations. ... read more
1. The big problem of using R404a refrigerant to replace R22 is the problem of lubricating oil. It is necessary to use PVE ester oil to replace the mineral lubricating oil for R22. Ester lubricating oil has high affinity with water and poor dehydration, so you should avoid contact with outside air a... read more