are generally designated by the buyer, if the textile is exported to a certain country or region, it also meets local testing standards. The common test standards for textiles are as follows: GB, Chinese standard; EN for European countries; AATCC and ASTM for the Americas; BS for England; AS, for Australia; DIN, for Germany; JIS, for Japan; IWS, It is suitable for most countries in the world, mainly to wool products; and so on.