We would like to purchase wood flooring for underheating use in Korea Quantity 40,000~50,000 sqm Specification: upper material Walnut, Beech, Maple, Oak, Cherry, White Wash 0.5mm thickness  Bottom material Luan preffered  Total thickness 5.75mm Size: 75mm wide and 900mm height. Please give us the quotation ASAP, picture of your products and further information on your products such as HS Code, inspection method etc If you need further information feel free to contact me. Thanks in advance, Song-Wan Park