=========跟单区(id,item, qty, link, price, contact)=============
跟单
1. 头发皮肤指甲
http://www.gnc.com/product/index.jsp?productId=3943821&cp=4046471.22177806
4瓶
2.钙片
http://www.gnc.com/product/index.jsp?productId=3638892&cp=3593185.12961320.13311981
4瓶
3.bone density
http://www.gnc.com/product/index.jsp?productId=4033460
2瓶
http://www.gnc.com/product/index.jsp?productId=3943821&cp=4046471.22177806
4瓶
2.钙片
http://www.gnc.com/product/index.jsp?productId=3638892&cp=3593185.12961320.13311981
4瓶
3.bone density
http://www.gnc.com/product/index.jsp?productId=4033460
2瓶