请按以下地址在平台进行登录与注册

供应商登陆地址：https://caigou.gdhwater.com/etp/login/Login.html?identityType=2

供应商注册地址：https://caigou.gdhwater.com/etp/base/basemanage/vendor/baseinfo/RegisterAgreement.html?identityType=2