刘某为甲农机公司的职员,为推销其公司的一品牌拖拉机,经人介绍,请在乙农机商场上班的业务员杨某帮忙。杨某满口答应,并利用手里盖过公章的空白合同书,于2007年6月份与刘某所在的甲农机公司签订了价值30万元的购销合同。合同约定由甲农机公司负责供货,货到后乙农机商场10日内付款,并同时约定“如因本合同发生争议,双方一致同意提交XX仲裁委员会处 Ryu for a farm machinery company employees, in order to promote their company’s brand tractor, by the introduction, please Banyan Machine Shop salesman Yang help. Yang promised, and the use of the seal of his hands blank contract, in June 2007 with the Ryu where A agricultural machinery company signed a 300,000 yuan worth of purchase and sale contracts. Contract Agreed by the A Nongjia Corporation is responsible for the supply, after the arrival of B Agricultural Machinery Shopping Center within 10 days of payment, and at the same time agreed ”as a result of this contract dispute, the two sides agreed to submit XX Arbitration Commission