You are really diligent. It's amazing to make more than 500 phone calls a day. When you call, you'd better bring your goals, such as recommending products and quotations, or visiting and greeting customers on holidays. At the same time, you really don't call customers intensively. You can choose other ways, such as email, fetion or QQ. I often get calls from some marketers and keep talking about it there, but they don't give me any response.
The most important thing is not to use the telephone as a constant means of futures development, because futures are different from other fast-selling products and are relatively high-end. You need to invite customers by phone, and then visit them in person ~ but you really work hard, I hope you can succeed.