法律诉讼通常不是由个别因素所诱发的,贸易关系的失衡、金融部门的风控失守等往往都会导致诉讼案件的发生。案情描述2013年11月,保函申请人(进口商)A公司与保函受益人(出口商)B公司签订了柴油发电机组的供货合同。B公司将分三期向A公司发货,A公司向担保行(代收行)G银行申请开立以B公司为受益人的三份付款保函。G银 Legal proceedings are usually not induced by individual factors, the imbalance of trade relations, the fall of the risk control of the financial sector and so often lead to litigation. Description of Case Description In November 2013, Company A, the applicant for the Letter of Guarantee (Importer), entered into a contract for the supply of diesel generator sets with Company B, the beneficiary (exporter) of the Guarantee. Company B will deliver goods to Company A in three installments. Company A applies to G Bank, the guarantee bank (collecting bank), for opening three payment guarantees in favor of Company B. G silver