根据用户反馈的要求，在线订购改在了在线询价，如用户有要求，也可以换成在线购物 首页产品列表能以树型形式显示小类，同时解决目前同类网站在打开页面不能保留二级小类的问题 -Requirements based on user feedback, online ordering changes in the online inquiry, such as user requirements, but also can be replaced with online shopping Hom