whats app marketing sending messages to customers

I am looking for a freelancer who can help me with my WhatsApp marketing campaign. My target audience is my existing customers, and I want to promote a new product launch to them. The ideal candidate should have experience with WhatsApp marketing and be able to send daily messages to my customers. Necessary software can be provide by us for that .This is regular assignment 12 months, only Indians must apply who have indian sim numbers