We greatly appreciate your letter describing the assistance you received in solving your air-conditioning problems. We are now in our fifty year of operation, and we receive many letters like your indicating a high level of customer satisfaction with our installation. We are pleased that our technical staff assisted you so capably. We would like you to know that it you need to contact us at any time in the future. Our engineers will be equally responsive to your request for assistance. If we can be of service to you again, please let us know. Thank you again for your very kind letter.

　承蒙來(lái)信贊揚(yáng)本公司提供的空調(diào)維修工程服務(wù)，欣喜不已。五年前開(kāi)業(yè)至今，屢獲客戶來(lái)函嘉獎(jiǎng)，本公司榮幸之至。欣悉貴公司識(shí)技術(shù)人員的服務(wù)，他日苛有任何需要，亦請(qǐng)與本公司聯(lián)絡(luò)，本公司定當(dāng)提供優(yōu)秀技師，竭誠(chéng)效勞。在此謹(jǐn)再衷心感謝貴公司的贊賞，并請(qǐng)繼續(xù)保持聯(lián)絡(luò)。