... for Compressing AirBrief Introduction for Screw CompressorBLT - 7 a ~ 120 a/W screw compressor according to strict standards ... , etc. 3.)Chemical and new material industries: For chemical material gas, pipeline blowing, gas replacement, ... , biological technology, intermediate, etc. 4.)Electronic industry: For encapsulation, agglomeration, anneal, deoxidization, storage of electronic products ...