Knowledge

Ultra-low temperature refrigerators generally use secondary refrigeration. The first-stage refrigerant is R-12 (23.0oz, 28.349 523g), the design pressure high pressure is 400ppsi (1ppsi=6.894 76X10'Pa

Low temperature freezer is also called: low temperature refrigerator, low temperature freezer. Unique refrigeration system design, the lowest temperature can reach -160 ℃, effectively avoiding the pot

Widely used in scientific research institutes, universities, aviation, biopharmaceuticals, electronics, technology, metal processing and other industries. At present, my country's low-temperature free

Low temperature freezer is also known as: low temperature refrigerator, low temperature freezer, the tempera t ure control range in the box is: -20°C, -40°C, -60°C, -80°C, -100°C, -120°C, -135°C, -160

Temperature control range Low temperature freezer is also known as: low temperature refrigerator, low temperature freezer, the temperature control range in the box is: -20°C, -40°C, -60°C, -80°C, -100

Low temperature freezer is also called: low temperature refrigerator, low temperature freezer. Unique refrigeration system design, the lowest temperature can reach -160 ℃, effectively avoiding the pot

The first is material selection. At present, the plates seen in China are basically imported or produced by foreign joint ventures, and the quality of the plates should be said to be good. The reason

According to the different needs of customers, directly through screen printing; the screen is transferred to the plate, and then formed by vacuum suction, there are characters, animals or commodity i

As mentioned earlier, blister production is basically mechanized production. The application of some new equipment has greatly reduced the labor intensity of workers while improving production efficie

As we all know, the force plate is formed by vacuum positioning and suction pressure. Even if it is the same word, different sizes require different molds, and the mold making itself requires high pre

At present, the plates seen in China are basically imported or produced by foreign joint ventures, and the quality of the plates should be said to be good. The reason why the market price of blister l

Buildings, such as: shop windows, soundproof doors and walls, lighting covers, solar collectors, telephone booths. Advertising display categories, such as: light boxes, signs, signs, display stands, d