Ceramic materials. 201July 18, an interview with Zhang Biqing was broadcast on the financial channel of Beijing TV. The magic necklace she wore in the interview was made of ceramics. Zhang Biqing is the founder of "Comprehensive Therapy of Plum Blossom Magnetic Acupuncture" (Qi Jing Therapy). 20 13, the media revealed that a two-story villa was built on the roof of Building B of Renji Mountain Villa Community, No.45 Baishiqiao Road, Beijing. The building was built by Zhang Biqing, the owner of Room 2605 of Building B, in six years.