Recently, the industry standard FZ/T 50039-2018, drafted by Highsun Holding Group's Changle Highsun Synthetic Fiber Technology Co., Ltd., was approved by the ministry of industry and information technology of the People's Republic of China and officially implemented nationwide.

Highsun Synthetic Fiber Technology Co., Ltd is the first drafting unit of this standard , Jiang Tongde, You Yuanqing were the main drafters, we stipulated the testing method of the adhesion performance of spandex filament, improved the scientificity and safety of the performance testing. It further proves the group's comprehensive strength in the spandex industry and promotes the standardization of production and testing in the spandex industry.