免费的非常好用和稳定的短信集成接口。

内附有详细的说明文档。

瑞动力致力于全国企业短信终极提供商，两年多以来，服务了国内许多的各型企业，凭借专业和优质的服务，客户满意度一直很高。-Free SMS is very nice and stable integration interface.

Enclosed is the detailed documentation.

Power is committed to the national enterprise messaging ultimate provider, since more than two years, many kinds of service for the domestic enterprises, relying on professional and high quality service, customer satisfaction has been high.