请根据以下内容回答下列各题 Welcome to visit our company and I am very glad to have the opportunity to introduce our company to you all. Our company was established in 1990. We specialize in manufacturing household electrical appliances and exporting them all over the world. Our annual sales of last year is about 80 million dollars, and the business is growing steadily. We have branches in North America and Europe with about 500 employees, and they are working diligently to serve the needs of our customers. In order to further develop overseas market, we need reliable agents to promote our products. I hope you will seriously consider doing business with us. Thank you. The company specializes in the field of 46 __________