Diving Series 
It is a diving device with portable air open loop single tuber ,it is made up of mouthpiece breathing apparatus ,half face mask ,air cylinder ,back rack ,pressure reducing valve ,foot flippers ,lead and immersion suit .the immersion suit is made of CR material of double-sides chloroprene rubber composite cloth and is divided into wet and dry 2 types .The product is extensively used in diving travel ,aquaculture ,fishery ,operation under water and rescue under water .