亚洲第一页在线,日韩高清一区,亚洲精品高清在线观看,欧美日韩免费在线,国产精品资源在线播放,九九国产精品九九

In recent years, more and more laboratories have been built in domestic universities, but the safety problems of laboratories also occur frequently. …

Generally, two materials, PC and ABS, can be used in the processing of mechanical plastic shell. PC and ABS have certain compatibility. However, the c…

The shell of medical machinery is made of various materials, such as ABS, PP, PE, stainless steel and carbon steel. AB resin is a kind of high strengt…

Compared with other die process, rolling plastic process provides us with more design space. With the right design concept, we can combine several par…

Some undesirable line protrusions during the production of thick plate blister molding need to be solved by modifying the mold and adding additional p…

The mechanical plastic shell adopts the plastic thermoforming process, which is a method of making products under the high elastic state economy by us…