直接这个，挂机的，如何？
http://detail.china.alibaba.com/buyer/offerdetail/121703893.html

电动4000￥起 如慢可改挂机吧。
http://detail.china.alibaba.com/buyer/offerdetail/455891761.html http://detail.china.alibaba.com/buyer/offerdetail/50407766.html http://detail.china.alibaba.com/buyer/offerdetail/86805719.html http://detail.china.alibaba.com/buyer/offerdetail/535320530.html
http://search.china.alibaba.com/selloffer/%E7%94%B5%E5%8A%A8+%E8%89%87/2.html?sort_type=price&descend_order=true&is_no_repost=false&is_only_alipay=false&show_style=img&only_one_price=false