FAQ

Quality&Certification

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Our ultrasonic water meters are manufactured in compliance with international standards. We currently hold MID certification (2014/32/EU),and have extensive experience in obtaining OIML R49 approval-we are making it and providing as required for your specific project. We can also offer CE, RoHS needed for customs clearance and local regulatory compliance.
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We offer a 6 years warranty from the date of shipment. If a confirmed defect arises, we replace the faulty units free of charge and cover the shipping cost. Our goal is to protect your reputation with your end customers. We also keep spare parts and replacement stock to ensure quick support.Our intention is to build long terms cooperation with partner. Our team technica support is rapid capability.
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Absolutely. We welcome customers to visit our factory in China to conduct supplier audits, witness production processes, and meet our quality team, engineers team to discuss face to face. We can assist with invitation letters and logistics coordination.
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Absolutely. We believe in radical transparency. If you have technical concerns, we create a discussion group with our quality control lead, or R&D engineers who can communicate by English. You do not have to filter your questions through a sales person. This direct access gives you the confidence that the people actually building your meters are knowledgeable, accountable, and committed to your satisfaction.

Technology&Functionality

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Our ultrasonic water meters support a wide range of communication protocols to suit different infrastructure needs. The most common options include M-Bus, Wireless M-Bus(WM-Bus),RS-485(Modbus), LoRaWAN, NB-IoT,4G(CAT-1) and Pulse Output
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Our meters use industrial-grade lithium batteries with a lifespan of 10 to 15 years, depending on the communication module and reading frequency. For standard models, the battery is sealed to maintain IP68 protection. For customers who prioritize long-term serviceability, we offer models with replaceable battery packs to extend the meter's operational life
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Our meters support open standard protocols such as M-Bus, Modbus, and wireless interfaces like LoRaWAN,WMBUS,NB-IoT,4G We can provide the necessary technical documentation, including communication protocol specifications, to help your system integrator easily interface with our meters.
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Yes, our meters are rated IP68, meaning they are completely sealed against dust and can withstand continuous immersion in water. This makes them ideal for pit installations, manholes, flood-prone areas, and environments with high humidity or condensation. The robust construction ensures reliable performance even in challenging field conditions

Partnership&Technical Support

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Yes, we specialize in both OEM (Original Equipment Manufacturer) and ODM (Original Design Manufacturer) services. We can print your logo on the dial, customize the packaging box, and even adjust the software interface or communication protocol to meet your local market requirements,or also make moulds according to mechanical enclosure designs
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We work with you to discuss and finanize specification, we will issue a proforma invoice includes Fedex/DHL/UPS shipping, samples are shipped after payment confirmation. Our engineers will provide technical protocol document, user manual,software tools, and remote assistance as needed during your testing, the whatsAPP/Wechat discussion group will be created for that.
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We provide a full configuration guide along with the sample. Our engineers can also remotely assist you.Just share your local network requirements with us.We will provide clear, step-by-step instructions to help you complete the setup
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Our standard MOQ is 100 to 200 units for standard models. However, we understand that new partnerships require market validation. We are happy to support a trial order as low as 100 units for qualified distributors. This allows you to conduct field tests, obtain local approvals, and build customer confidence before scaling up.
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Live video training sessions customized to your team's experience level.Product presentations and comparison materials to help your sales team confidently position our meters. Factory training for technical team members—you are welcome to visit our factory and meet face to face.

Delivery&Payment terms

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For new customers, our standard terms are 30% deposit by T/T after order contract signed, and 70% balance before shipment. We accept L/C at sight (Letter of Credit) for added bank-backed security.
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Our standard production time is 25 to 35 business days after order confirmation and deposit receipt. For small sample orders, production time is 7 to 10 business days. We always provide a confirmed production schedule in your sales contract.
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Express Courier (DHL,FedEx,UPS)-Best for samples and small orders under 100 kgs
Air Freight – Ideal for medium-sized orders(100kgs to 500kgs) when speed is needed
Sea Freight (LCL-Less than Container Load)-Cost-effective for smaller bulk orders
Sea Freight (FCL-Full Container Load)-Most economical for large volume orders (20 ft or 40 ft container)
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