质量不变 meaning in Chinese

mass conservation

It is possible to increase both the quality and the price of a product without changing its competitive position
选项说的是同时增加质量和价格,与原文说的增加质量(价格不变)或者降低价格(质量不变) ,意思不一样
This is a reasoned announcement of a price increase . the impact is softened by telling the client that some lines are not affected and by stressing continued quality
这封信通知客户价格调升事宜.为令客户安心,指出只有部分货品需调整价格,又强调保持质量不变