When go online at taobao, others than price, what I would buy is something that difficult to get or couldn't get in Singapore. Chemical powders to clear the urinal bowl choke.
美特佳强力管道疏通剂家用下水道除臭剂厨房马桶堵塞水管疏通剂
http://world.tmall.com/item/23521328133.htm?id=23521328133
