Wang Qinglong, a researcher-level senior arts and crafts artist, is a leader among the third generation of disciples in Gu Jingzhou. Researcher level is a senior professional title in the title system of arts and crafts artists in China, which belongs to senior professional and technical positions. Wang Qinglong has been engaged in the research and creation of purple sand art for decades, and has been guided and cared by many predecessors, forming his own unique artistic style. His works have won many awards and been exhibited in exhibitions at home and abroad, showing his outstanding achievements in making teapots. Therefore, it can be determined that Master Wang Qinglong's purple sand level is researcher level.