language
Utility model patent-Cashmere combing device
Utility Patent-Double Layer Cashmere Fabrics
Utility Patent-High Performance Cashmere and Wool Device
Utility Patent-Spinning Device for Knitting Cashmere
ISO9001
Derong_Eco-friendly_Erstregistrierung
2023 German Velvet Yarn Quality Test
04 ISO 45001 Occupational health