在执行合同中，你提出1月份最后一批发货改成黄色的，但价格不上调。恳求大家帮忙翻译

About the color of products to be delivered in the last January shipment, you required to change it into yellow while adapting the orginal price.

In the contract operation, you express that the color should change to yellow for which are the last mass in Jan, while no raising the price.

In our contract, you informed us to change the colour the last lot of goods in January into yellow,while maintaining the same price.