During his tenure, he worked in a single position. President of First Quhua 1990 ~ 1997 First Secretary Zhu Huiyuan, General Manager of Shenzhen Jewelry City Enterprise Co., Ltd. 1990 ~ 1997 Second Mali, General Manager of Shenzhen Jewelry Co., Ltd. Chairman 1 997 ~1999 May Secretary to the General Manager of Shenzhen Jewelry City Enterprise Co., Ltd. II1997 ~ March 2000 President Erliuzi of Shenzhen Jewelry Industry Association1 999 June-March 2000 Shenzhen Shatoujiao Bonded Zone Administration Bureau March 2000-March 2000-March 2000-March 2000-March 2000-March 2006-February 2006-February 2006-2006. ~ March 2006 to March 2006 to March 2006 to March 2006 to March 2006 to March 2006 to March 2008 to March 2008.