Fabric pre-shrinking refers to the process of reducing the shrinkage of fabric after soaking in water by physical means before production and cutting. Pre-shrinkage is mainly to control the warp shrinkage of the fabric, the warp shrinkage of the fabric before pre-shrinkage is generally 7~8%, after pre-shrinkage, the warp shrinkage of the fabric is routinely required to reach the national standard 3% or the American standard 3%

Water washing is to add softener or detergent in the water, directly to the fabric the next water, according to the washing time and the amount of softener, generally divided into light washing, general washing, heavy washing. And after washing the fabric, it will become soft, and the fabric feels thick.