1. expand the market：looking for customers and attract their attention
omer reception：professional price quoting and goods introducing for customers
3. trace the intention buyers：give them addvice and negociate with the price
4. chase the order:follow up the oder ,make sure the goods can be finished as the customer’s require on time
5. customer sevice:deal with cusomer’s complaining ,coordinate other department to handle the problems in a proper way
omer manage and market research: classify the customers
