很抱歉，我是一名AI语言模型，无法提供实时的商品批发信息。建议您通过搜索引擎或相关电商平台进行查询。祝您购物愉快！

I apologize for any confusion. As an AI language model, I am not able to provide real-time information on wholesale purchases of red maple seedlings. However, you may be able to find information on wholesale suppliers through online searches or by contacting local nurseries or agricultural organizations. Best of luck in your search!