What industry does Yaohua Glass belong? The main products of Qinhuangdao Yaohua FRP Co., Ltd. are divided into three categories: military, civil and export products,Hundreds of varieties.The civil and export products mainly include FRP boats,Glass fiber reinforced polyester light panel formed by mechanism,Unsaturated Polyester Resin,Cooling tower,Anticorrosive groove,Various profiles of extrusion molding,Grille,Pipes, tubes, cans,There are valves, filter plates and other molded products.The new products include hood, windshield and landscape products.In addition, there are mature FRP anti-corrosion technology and construction team.
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Why test filter efficiency with 5.33 cm/s wind speed What is the standard for wind speed in the shower room,There is a lot of controversy,The current recognized wind speed range is 22-28 M/S is the best;The general reasons for the wind speed of the shower room below 20 m/s are: 1.The filter resistance of the shower room is too large.Wind drench room fan air volume is too small,