80GHz FMCW radar modules · 4G solar radar transmitters · OEM/ODM from Shenzhen, China
Who We Are
JiaJia Eye — China OEM Manufacturer of Radar & Ultrasonic Level Instruments
Established in December 2015 and based in Longgang District, Shenzhen, JiaJia Eye (Shenzhen JiaJia Eye Technology Co., Ltd.) is a National High-tech Enterprise and an OEM/ODM manufacturer specializing in 80 GHz FMCW radar level transmitters, ultrasonic level meters, 4G / solar wireless level sensors and OEM radar ranging modules for industrial process automation, water/wastewater management, and remote tank monitoring for distributors, system integrators and OEM partners worldwide.
0.05–40 mRadar measuring range
±1 mmBest stated accuracy
5 cmBlind zone (4 cm short-range)
IP68Top ingress protection
−40…+75 °COperating temperature
Our Facility
We operate our own 1,500 m² facility in Longgang District, Shenzhen — not a trading office. Final assembly, calibration, RF verification and burn-in all happen in house, which is why we can ship custom-configured instruments in short lead times and keep full traceability on every serial number.
Company premisesExterior view of our Shenzhen facility, where R&D, production and quality inspection are co-located.Office areaModern, tidy workspace combining business negotiation, engineering research and daily operations.Engineering collaborationOpen communication space where firmware, RF and application engineers work through customer cases together.
Shenzhen gives us direct access to a complete electronics supply chain — PCB fabrication, machining, antenna and cable suppliers are all within the same industrial belt, which shortens every prototype and production cycle.
Production & Test Equipment
Level measurement lives or dies on calibration. Our in-house equipment covers the full chain from antenna characterization to final range verification, so every instrument leaves with measurements we can reproduce.
10 m Rail Radar Calibration System
A dedicated radar accuracy calibration laboratory. The motorised guide rail provides a 1 mm standard displacement reference, used to calibrate and verify the ranging accuracy specification of every radar model across its full measuring range.
Level Gauge Calibration Test System
Built for non-contact ultrasonic and radar level gauges. It integrates a motorised linear stage for micron-accurate probe positioning, a simulated liquid tank for real-world process testing, and a dedicated motion controller for fully programmable operation — verifying accuracy, linearity and dead zone against a traceable reference standard.
Antenna Characterization Chamber (Dark Box)
A sealed, interference-free environment for radar, RF and optoelectronic testing. It shields external electromagnetic waves, light and stray signals, giving stable, controllable conditions for antenna pattern checks, parameter calibration and accuracy verification.
Water Flow Test Environment
Reproduces real hydraulic conditions — flowing water, splashing and surface turbulence — so we can validate reading stability, filtering behaviour and echo processing on live water surfaces instead of static targets only.
Production & Quality Workflow
Final assembly lines — mechanical assembly, sealing and firmware loading.
Corner-reflector reference target — every unit is calibrated against it before shipment.
Water-ingress pressure-test chamber — enclosure sealing verified under pressure for IP66/IP67/IP68-rated housings.
Burn-in test area — continuous run-in of every unit before final acceptance.
Three quality checkpoints — incoming component inspection, in-line functional test (every unit, not sampled), and final acceptance test. Documented traceability covers each instrument’s calibration record, antenna characteristics, serial number and firmware version.
Products
Four instrument families, all available for OEM/ODM customisation:
OEM / ODM / white-label — custom firmware, branding, mechanical packaging and connector pin-out for distributors and system integrators; our JJY-YLD138M-32 ranging module is designed to drop into third-party instruments.
Cloud integration — MQTT / HTTP / Modbus-TCP API for integration with customer SCADA, ThingsBoard, AWS IoT or private clouds.
Custom radar antennas — horn, lens and planar designs sized for your tank geometry and dielectric range.
Application support — pre-sales tank geometry review, foam / steam / agitation diagnostics, and post-sales firmware tuning.
Certifications & Intellectual Property
ISO 9001:2015 — quality management system certified by Shenzhen Universal Certification Centre (UCC, accredited by CNAS C024-M, IAF member), certificate 02426Q00028R101, valid to January 2029.
National High-Tech Enterprise (China) — certificate GR202444202477, issued December 2024.
Explosion-proof certification — radar level meter JJY-YLD0285DP certified Ex ia IIC T6 Ga to GB/T 3836.1-2021 and GB/T 3836.4-2021, certificate CLEx24.7865X, valid to September 2029.
CPA pattern approval — type-approved digital pressure gauge series (No. 2023F293-44).
Residential & commercial water cisterns (EU/US/AU/SEA markets) — wireless level monitoring with low-power 4G uplink and multi-year battery or solar supply.
Chemical & petrochemical tanks — corrosion-resistant housings and PTFE antenna options; intrinsically-safe model available (Ex ia IIC T6 Ga).
Water & wastewater treatment — non-contact level for clarifiers, digesters and chemical dosing tanks.
Municipal pipe networks & pumping stations — solar 4G level gauges reporting to municipal SCADA over encrypted MQTT.
Agriculture & aquaculture — remote tank and pond monitoring on battery or solar power.
Bulk solids & mining — stockpile and silo level under dust, vibration and steep-angle conditions.
Get in Touch
For samples, OEM inquiries or technical support, contact our sales engineering team:
