Liu Zhi'e, the general manager of Shaanxi Yulin Seven Sheep Garments Co., Ltd., is one of the founders of Yulin wool winter clothing industry. Since joining the work in 1978, he has been engaged in clothing production and the research, design and production of wool winter clothing, and has successfully developed the first wool winter clothing product in China, It fills the gap that the national animal fiber replaces the traditional plant fiber as the winter cotton garment filler. Therefore, Liu Zhi'e and others won the "Shaanxi Science and Technology Innovation Award" and "Shaanxi Individual Science and Technology Progress Award" issued by Shaanxi Provincial Economic Commission. She said: "I think the craftsman spirit should not float on the surface, but should settle down in every bit of work. It can be regarded as an industry model to face daily work with the spirit of meticulous and excellence.".