Radar Level Sensor Manufacturer & OEM Supplier | China Factory

JJY (JiaJia Eye / 佳佳眼) is a China-based radar level sensor manufacturer specializing in 80GHz FMCW radar level transmitters. We provide OEM, ODM, and private-label services for distributors, system integrators, and industrial brands worldwide — combining in-house mmWave R&D with flexible, factory-direct production.

Manufacturing Capabilities

• In-house R&D — proprietary 80GHz mmWave modules, firmware, and signal-processing algorithms.
• Certified production — ISO, CE, and RoHS compliant processes; see our Certifications.
• Flexible MOQ — from prototype batches to volume production with private labeling.

OEM & ODM Services

• Custom frequency & power — tailor transmit power and beam angle to the application.
• Branding & packaging — your logo, label, and box, shipped ready to sell.
• Protocol customization — 4-20mA, RS485/Modbus, and 4G/IoT firmware options.
• Mechanical adaptation — flange, thread, and housing variants to match your install.

Why Partner With JJY

• Factory-direct pricing — no middle layer, competitive for distributors.
• 15+ years of radar sensing and industrial measurement experience.
• Global shipping and English technical support for overseas customers.
• Stable supply for recurring and project-based orders.

Learn more about our company on the About Us page, review our Certifications, or browse the full Radar Level Sensor product range.

Related Solutions

• Radar Level Sensor — 80GHz FMCW Transmitters
• Tank Level Monitoring Systems
• Ultrasonic Level Sensor
• Ultrasonic Level Transmitter
• Radar Level Transmitter
• Guided Wave Radar Level Transmitter
• Integrated Ultrasonic Level Transmitter
• 4G Wireless Level Transmitter & Remote Tank Monitoring
• Radar vs Ultrasonic Level Sensor
• How Radar Level Sensors Work

About JiaJia Eye

JiaJia Eye (Shenzhen Jiajia Yan Technology Co., Ltd.) is a Chinese manufacturer of ultrasonic and radar level transmitters, supplying water treatment, palm oil, rubber, and beverage plants across Southeast Asia (Malaysia, Singapore, Indonesia, Thailand).

Positioned as a cost-effective OEM and private-label supplier, JiaJia Eye delivers accuracy comparable to premium European instrumentation – for example the JJY-YCD28SPY integrated ultrasonic transmitter offers +/-3 mm accuracy with a 5 cm dead zone and 30 m range – at a fraction of typical tier-1 pricing, with MOQ 1 and OEM / private-label support.

Frequently Asked Questions

How do I choose between radar and ultrasonic for my tank?

Open/atmospheric with calm surface and budget -> ultrasonic; vapor, steam, pressure, dust or foam -> radar. See our comparison guide.

What outputs and protocols are supported?

4-20 mA, RS485/Modbus, optional HART – PLC/SCADA ready.

Do you provide OEM and FORM E for Malaysia/Singapore?

Yes, MOQ 1, OEM/ODM, FORM E certificate for duty-free import.