Guangdong's largest building sand table model company?

It should be the Grand Canyon model, with branches not only in Guangdong, but also in Shanghai, Beijing, Changsha, Kunming and Xi 'an. In this industry, we have obtained many new scientific and technological patents, such as meteor lamp control system, simulated dynamic water turntable system, building model lifting system, etc. I have done many well-known cases, such as Nanshan planning in Shenzhen, Guangdong, multimedia digital sand table being invested by Hong Kong-Zhuhai-Macao Bridge, Wanda City in Chongqing and so on. , are all professional first-class standards in the modeling industry!