How about Red Maple Leaf Media SMS platform? Does it work?

It should be good. I haven't used it. Sounds like a clean stream in the industry. ...

According to your situation, you should need marketing services, and you can recommend using Suda mobile S03GC platform.

Hunan Hongfengye Media mainly provides verification code short message interface, short message interactive interface, enterprise-specific short message channel, short message marketing and other services. We have a self-developed SMS and MMS marketing platform and customer information management platform, and are constantly expanding new applications, and are unique in speed and stability, aiming at providing customers with quality products and services. The company has maintained long-term good cooperative relations with telecom operators such as China Mobile, China Unicom, China Telecom and China Netcom, and has a professional marketing planning team. The company is committed to meeting the diversified needs of customers and has successfully provided consulting and implementation services for many domestic and foreign-funded enterprises and institutions. The company supports a variety of trading methods; Taobao, Alibaba, Alipay and companies can all sign formal contracts to ensure the delivery rate. If they don't arrive, they can get a full refund.