Half a month ago, I received a job as a foreign trade sales.The company is a manufacturer specialized in different kinds of laser light. But I known little about this product, so I stayed there for half a month and had not find my customers.Except for know more about the products(laser light), what can I do? I want to know how to be a good salesman, who can help me? No matter the knowledge about the laser light or how to find the customers. Thank you Pretty.