Tā yīxiàng shǒuxìn, cóng wèi ràng péngyou shīwàng.
She has always kept her promises and never let her friends down.
Tips
usage
守信 is often used alongside related terms: 守信用 (to keep one's word), 失信 (to break a promise), 诚信 (integrity/trustworthiness). The concept of 信 (trust/faith) is a core Confucian virtue.