A、<p><span style="font-size:14px;font-family:宋体">会计师事务所验资</span></p>
B、<p><span style="font-size:14px;font-family:宋体">资产评估机构评估</span></p>
C、<p><span style="font-size:14px;font-family:宋体">信用评级机构评级</span></p>
D、<p><span style="font-size:14px;font-family:宋体">律师事务所核实</span></p>