小保:你写信咨询跨省或跨统筹地区流动的农民工,因工致残被鉴定为1-4级,本人自愿一次性领取工伤保险长期待遇(含应长期支付的各项工伤保险待遇)的,需要办理哪些手续?提供哪些证件?一次性待遇标准多少?孙先生孙先生:因工致残被鉴定为1-4级的农民工,本人自愿一次性领取工伤保险长期待遇(含应长期支 Xiao Bao: You wrote a letter to consult inter-provincial or cross-regional migration of migrant workers, due to work-induced disabilities identified as 1-4, I voluntarily receive long-term treatment of industrial injury insurance benefits (including long-term payment of various industrial injury insurance benefits ), What procedures need to be handled? What documents to provide? One-time treatment standards? Mr. Sun: due to work-induced disabilities identified as 1-4 level migrant workers, I voluntarily receive long-term treatment of industrial injury insurance Long-term branch