the state administration of supervision approved the release of 5 national standards in the field of chemical fiber
latest news: recently, according to the announcement no. 6 of 2022 issued by the state administration for market regulation (national standardization administration), gb/t 14337-2022 “test method for tensile properties of chemical fiber staple fibers”, gb/t 14338-2022 “test method for crimp performance of chemical fiber staple fibers”, gb/t 14344—2022 “test method for tensile properties of chemical…
