质量好 质量很好 质量最好 质量不太好

质量很好 / 质量不错 good 质量一般 / 质量还行 just so so 质量不行 / 质量很差 bad

In Chinese, we are used to putting the evaluation of a thing behind.exp:我的衣服质量特别好。The quality of my clothes is very good.I addition to describing things ,we can also say so in other ways.exp:他跑得很快。ta pao de hen kuai。He runs very fast.他人不错。ta ren bu cuo.He's a nice guy. My explanation is not very professional.I hop it is helpful to you.

质量好（不错）-good 质量很好（挺好）-very good 质量不太好-bad 质量很差（烂）-very bad

1. In Taobao.com or any Chinese online website, the sales would probably say “我家衣服的质量最好。” (colloquial and casual ). But, you could also say “我卖的衣服质量最好。” （卖：sell) if you’re selling clothes. Or still, you could say “我的衣服质量最好。” if you’re talking about your clothes with your closed friends. (的 should be put in a right place.). 2. 质量好 /高质量/ 质量最好/ 质量不太好