Unless I'm misreading, you've almost got it. In the chunk below, you just forgot to add the servicePwd element to the ReqSOAPHeader element.
On Fri, Dec 2, 2011 at 1:22 AM, 贾晓磊 <jiaxiaolei19871112@gmail.com> wrote:
> from suds.sax.element import Element
> from suds.sax.attribute import Attribute
> code = Element('serviceCode').setText('PABB4BEIJING')
> pwd = Element('servicePwd').setText('QWERTPABB')
> reqsoapheader = Element('ReqSOAPHeader').insert(code)