印度采购需求：DN15-DN600超声波智能水表

We are looking for a reliable supplier for a specific type of water meter that features ultrasonic technology for accurate measurement. The preferred meter should be compatible with both NB-IoT and LoRaWan communication options, ensuring flexibility and efficiency in data transmission. Could you please provide us with your product specifications, pricing, and lead times? Additionally, any certifications or compliance information would be greatly appreciated. We aim to establish a long-term partnership, so your response will be vital in our decision-making process.