采购需要考cppm（注册职业采购经理），CPPM国际资质双认证分为三个级别，分别是注册职业采购助理(Certified Assistant Purchaser 简称CAP）、注册职业采购专员（Certified Purchasing Professional 简称CPP）和注册职业采购经理（Certified Professional Purchasing Manager 简称CPPM）。