We inform you that we have been engaged in this business for the past 25 years. We, therefore, feel that because of our past years’ experience, we are well qualified to take care of your interests at this end.

【参考答案】

谨告之，我公司从事这方面的业务已达25年之久，因此，以我公司过去多年的经验，全能胜任贵公司在这里设立的业务。