案情简介2006年7月8日,甲公司某项目部同乙公司某地区代理商刘某签订橡胶支座买卖合同两份,该两份合同均由刘某提供,加盖有乙公司的公章。合同约定:由乙公司为项目部供应橡胶支座1000套,价款共计人民币8万元,由乙公司向项目部不定期供货,每次供货时间由项目部通过传真通知乙公司,乙公司负责将合同标的物运输至项目部工地。合同价款由项目部通过银行电汇至乙公司账户,且须于乙公司提供全部货物后一个月内完成给付。合同生效后,乙公司分 Brief introduction of the case On July 8, 2006, a project department of Company A signed two contracts for sale and purchase of rubber bearings with Liu, a local agent of Company B, both of which were provided by Liu and affixed with the official seal of Company B. The contract stipulates: Company B supplies 1000 sets of rubber bearings for the project department, with a total price of RMB 80,000. The company B will supply the project department from time to time. Each time of delivery, the project department will inform B Company and B Company Responsible for the subject matter of the contract transport to the project site. The contract price shall be wire-transferred by the Project Department to the Company B Account and shall be paid within one month after the Company provides all the goods. After the entry into force of the contract, Company B points