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RFQ Description

Ladies and Gentlemen.Please some information about your product flat-plate solar collector.Absorber plate material type aluminum or copper.From the absorber tube receiving the type of material and the receiving system whether it is the harp, meander or meander double?Type of pipe welding with laser ultrasound absorber plate or another?The percentage of thermal efficiency of heat transfer.The thickness and type of seals here in terms of what kind of wool?The thickness and type of glass and has a certificate.How does the collector frame is made of welded pressed folded else?The frame is aluminum only do you have painted the frame.Type of material the bottom of the collector and is painted or not.Sealing material is a glass frame with silicone or other material.Type rest of the sealing material.Weight net collector glycol.Minimum order business and if I get before a sample collector for verification?Is doing the so-called small collectors advertising - Presentation. crossMay i know the Min Order Quantity of this product.Are you offering free sample of this product or may i know the sample cost?How much time will you take to deliver the goodsCan u send us your latest product catalog with complete quote prices.