(How to double the performance of the team? How to seize the market as quickly as possible? How to build a wolf sales iron army? How to deal with sales negotiations and various tug-of-wars? The sales manager system class can tell you. As long as you study systematically, the market will be yours sooner or later! Let you have super business ability and excellent management ability. Solve more than 90?f your actual sales management problems and double the team's performance.)