2006年6月,沈阳某工程公司(以下简称甲公司)与西门子旗下某公司(以下简称乙公司)签订买卖合同,该合同约定:“乙公司向甲公司提供一批楼控产品,提货期限一年,如果一年内提不完,原合同作废,签订新的合同解决。”合同履行过程中,因市场原因,钢价飞涨,乙公司只供了一半的货后便不再供货,甲公司急于工期便 In June 2006, an engineering company in Shenyang (hereinafter referred to as Company A) entered into a sales and purchase contract with a company under the Siemens Company (hereinafter referred to as Company B). The contract stipulated: “Company B shall provide Company A with a number of building control products and delivery deadlines In one year, if the contract can not be completed within one year, the original contract shall be invalid and a new contract shall be signed. ”During the performance of the contract, due to the market price, the steel price soared and Company B ceased to supply only half of the goods. A company eager time will be