1. second-rate jiangsu kangshijie machinery equipment co., ltd. high and low temperature integrated unit, refrigeration and heating integrated unit, composite refrigeration unit, -90 degree refrigeration unit, -100 degree refrigeration unit, -80 degree refrigeration unit, -70 degree refrigeration unit, -60 degree refrigeration unit, -50 degree refrigeration unit, -80 degree to 200 degree high and low temperature integrated unit, -60 degree to 4 shenzhen university normal university international high school 30 strip

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