合同双方当事人:出卖人:____________________________________________________________________注册地址:___________________________________________________________________营业执照注册号:_____________________________________________________________企业资质证书号:_____________________________________________________________法定代表人:_________________联系电话:____________________________________邮政编码:___________________________________________________________________委托代理人:_________________地址:________________________________________邮政编码:___________________联系电话:____________________________________委托代理机构:_______________________________________________________________注册地址:___________________________________________________________________营业执照注册号:_____________________________________________________________法定代表人:_________________联系电话:____________________________________邮政编码:___________________________________________________________________买受人:______________________________________________