2022年国产精品久久久久_穿书很黄很肉h_男人和女人全黄一级毛片_婷婷久久综合九色综合九七

Filter Free Heat Exchanger
Innovative: applicable to SW & WW with no need for pre-filtration
Include automatic anti-blocking & anti-scaling: significantly reduced cleaning frequency
Very high heat transfer efficiency (reaching 2000W/M2·℃) & stability
High pressure capacity (1MPa+)
Durable-20+ year service life