环槽铆钉销售合同需方：___________________供方：____________________________受___________(需方)委托，________________________(见证方)就“需方”所需的___________在定点范围内进行了询价，甲乙双方根据___________询价采购结果，经协商一致，达成如下货物购销合同：一、货物及其数量________________________________________________二、合同金额__