IT电脑市场里面常用的一个小程序，记录厂家，市场内部电话，厂家总代理，分代理产品品种等，基本功能:添加，删除，修改-IT computer market, which is commonly used a small program, record manufacturers, internal phone market, manufacturers distributors, sub-agents and other product variety, the basic functions: add, delete, modify,