; Shi, X.L. ; Wu, K.S. Human Body Burden of Heavy Metals and Health Consequences of Pb Exposure in Guiyu, an E-Waste Recycling Town in China. Thanks for your advice, and we have added references to support this view, it is added “[30] Huang, W.L. International Journal of Environmental Research and Public Health, 2021, 18(23):12428. https://doi.org/10.3390/ijerph182312428” And we changed content as “The e-waste dismantling area we studied is an E-Waste Recycling Town located in South China, where the possible human body burden and health consequences of heavy metals exposure have been reported [30].” Point 3.
Page 3, lines 99-100: please, add references for the following information South China's economic conditions are better than in North China, but the environmental pollution is worse. The site we studied is an e‒waste dismantling area with severe soil pollution that is typical of e‒waste dismantling areas in South China.