在国际贸易中，初次建立联系时发送一封正式的建交函是非常重要的。这不仅表明了您的诚意，还能为双方未来的合作奠定良好的基础。以下是一个外贸建交函的中文和英文版本示例：
中文版
尊敬的[对方公司名称]，
您好！
我谨代表[贵方公司名称]，向您表示最诚挚的问候。经过多方了解，得知贵公司在业内享有盛誉，尤其是在[具体业务领域]方面有着丰富的经验和卓越的表现。为此，我司非常希望能够与您开展合作，共同开拓更广阔的市场。
[贵方公司名称]成立于[成立年份]，主要从事[主营业务]。多年来，我们始终坚持“质量第一，客户至上”的宗旨，赢得了广大客户的信赖和支持。目前，我们的产品已经出口到[出口国家/地区]，并在市场上得到了广泛认可。
为了更好地了解彼此的需求，我们诚挚邀请您参观访问我司，或者安排一次线上会谈，以便进一步探讨合作的可能性。相信通过双方的合作，我们一定能够实现共赢的局面。
随信附上我们的公司简介和产品目录，供您参考。期待您的回复，希望能有机会与您携手共创辉煌。
此致
敬礼！
[您的名字]
[您的职位]
[贵方公司名称]
[联系电话]
[电子邮件地址]
英文版
Dear [Recipient’s Company Name],
Greetings!
I represent [Your Company Name] and would like to extend our sincerest greetings to you. After considerable research, we have come to know that your company enjoys a high reputation in the industry, particularly for its expertise and excellent performance in the area of [specific business field]. Therefore, we are eager to explore potential cooperation opportunities with you, aiming to jointly tap into broader markets.
Established in [Year], [Your Company Name] specializes in [main business]. Over the years, we have adhered to the principle of “Quality First, Customer Foremost,” gaining trust and support from numerous clients. Currently, our products are exported to [Export Countries/Regions] and have been well-received in these markets.
To better understand each other’s needs, we cordially invite you to visit our company or arrange an online meeting to discuss further cooperation possibilities. We believe that through our collaboration, both parties can achieve mutual success.
Enclosed herein is our company profile and product catalog for your reference. We look forward to your reply and hope for the opportunity to work together towards a prosperous future.
Sincerely,
[Your Name]
[Your Position]
[Your Company Name]
[Contact Number]
[Email Address]