sign of quality meaning in English

产品为客户带来信誉保证

Only shops and restaurants that qualify for the scheme are allowed to display the qts sign of quality
只有获优质旅游服务计划认可的商户，才可张贴优质旅游服务标志。
In the market , brand is the sign of quality , the sign of reputation , the sign of market demand and the sign of customer ' s identification
在市场上，品牌是质量的标志、信誉的标志、市场需求的标志、消费者认同的标志。