Insufficient design of the compressor system

Compared with the current similar research and similar technologies, the compressor system has its distinctive features in the following aspects: (1) Fully combined with the actual situation and actual needs in the design of centrifugal compressors, targeted research on special technologi

Price decline slows LED package device demand

Zhang Luhua, marketing director of Smale, believes that the entire industry has entered the general market cycle. In addition, the government is still giving continuous support, coupled with the concept of green energy conservation and environmental protection, LED products are being recognized