1. Material: Nine deer sheep use high-quality Australian wool, and Seven sheep use ordinary domestic wool.
2. Technology: Jiuluyang has more exquisite production technology, adopts more advanced production technology, has its own production factory and R&D team, and can master more advanced production technology and technology, while Qieyang does not have its own production factory, but only produces cotton trousers by OEM, so the production technology and quality are relatively low.