The lamp built by Xie Aihua is an intangible cultural heritage. Jianzhan, a specialty of Jianyang District, Nanping City, Fujian Province, and a national geographical indication product of China. In December 2016, the former General Administration of Quality Supervision, Inspection and Quarantine approved the implementation of geographical indication product protection for “Jianzhan”. On January 3, 2021, the local standard "Jianzhan" of Fujian Province was officially released and will come into effect on the date of release of the standard. The standard number is "db35/T1871-2020". This standard stipulates the terms, definitions and classification of Jianzhan , requirements, test methods, inspection rules, signs, labels, packaging, transportation and storage requirements, etc., apply to unglazed black architectural lamps in the administrative region of Fujian Province, People's Republic of China. On April 18, 2022, the State Intellectual Property Office officially recognized "Jianzhan" as a geographical indication certification trademark. Xie Aihua is a famous jianzhan expert.