Such manufacturers are basically concentrated in Shenzhen and Zhongshan, Guangdong. The feeling in Shenzhen is relatively high. In fact, many things are taken from Zhongshan. And the price has doubled. Zhongshan is the most suitable area for China project. There are many manufacturers in Zhongshan. Chen Guang has been a low-power line lamp for 9 years, and I have cooperated for 7 years.