What's your minimum order quantity, and can we start with a trial order?

Our standard MOQ is 500 units per model, but we offer a trial order option of just 100 units for first-time customers. This lets you evaluate product quality, test with your clients, and verify compatibility with your market's requirements before scaling up.

How do I know your products will pass certification in my country?

Our products are already certified to EN 14604, UL 217/268, AS 3786, LPCB, VdS, and many regional standards. We've achieved a 98% first-time pass rate over the past 5 years. For markets where we don't have existing certification, we provide full documentation packages and work directly with testing labs.

What kind of customization can you actually do?

We offer logo printing, custom packaging, enclosure color/material modifications, sensitivity parameter adjustments, custom firmware for IoT integration, wireless protocol additions (Zigbee, Z-Wave, LoRaWAN), and entirely new form factors. Our engineering team handles 15-20 custom projects simultaneously.

I've been burned by Chinese suppliers before. How do I know you're different?

We're the actual manufacturer, not a trading company. You can visit our Shenzhen factory anytime. We've been in business 23 years with the same ownership. We offer a 2-year warranty with advance replacement and have a 0.3% field failure rate across 2.5M+ units shipped.

What's the typical lead time from order to delivery?

Standard products in stock ship within 5-7 days. New production runs take 25-35 days. OEM orders with custom branding need 35-45 days for first shipment. We maintain buffer stock for repeat customers to ensure 7-day delivery on reorders.

Do you provide after-sales technical support?

Every customer gets a dedicated account manager and access to our technical support team. We provide comprehensive documentation in 12 languages, on-site training for larger deployments, and 24/7 WhatsApp support for urgent issues. Average response time is 4 hours.

Can you help me compete with cheap products flooding the market?

Yes, through positioning on reliability and total cost of ownership. A detector lasting 10 years with 0.3% failure rate costs less over time than cheap units needing replacement every 2 years. We help differentiate through certifications, faster response times, and longer battery life.

What payment terms do you offer?

For first orders: 30% deposit and 70% before shipment. After 2-3 orders, we offer LC at sight, 60-day payment terms, or consignment arrangements for qualified distributors.

Cold Chain Monitoring: Ensuring Product Integrity from Farm to Fork

The Stakes of Cold Chain Failure

Cold chain failures have serious consequences:

$35 billion in food waste annually from temperature excursions
25% of vaccines lose potency due to cold chain breaks
Regulatory violations and product recalls
Brand reputation damage

Why LoRaWAN for Cold Chain?

Traditional Monitoring Limitations

Manual temperature logging is unreliable
USB data loggers provide no real-time alerts
Cellular solutions are expensive at scale
WiFi doesn't work in transit

LoRaWAN Advantages

Real-time monitoring with instant alerts
Works in metal containers (with proper antenna design)
Multi-year battery life for set-and-forget deployment
Low cost per sensor for comprehensive coverage

Comprehensive Cold Chain Architecture

Fixed Locations (Warehouses, Cold Rooms)

LoRaWAN temperature sensors throughout
Door open/close monitoring
Power failure detection
Gateway with cellular backhaul

Transportation (Trucks, Containers)

Battery-powered sensors
Portable gateway with GPS
Cellular uplink for real-time tracking
Geofencing alerts

Compliance Requirements

Industry	Standard	Key Requirements
Food (US)	FSMA	Continuous monitoring, traceability
Food (EU)	HACCP	Critical control points, documentation
Pharma	GDP/GMP	Calibrated sensors, audit trails
Healthcare	CDC/WHO	Vaccine storage protocols

Implementation Best Practices

1. Sensor Placement

Monitor coldest and warmest spots
Place near doors and air returns
Consider product thermal mass

2. Alert Configuration

Set alerts before product damage occurs
Allow for normal door-open fluctuations
Escalation for extended excursions

3. Documentation

Automated report generation
Calibration certificate management
Audit trail for all events

ROI Analysis

Scenario: Food distribution center

Metric	Before	After
Spoilage losses	$150K/year	$30K/year
Labor (manual logging)	$40K/year	$0
Compliance fines	$25K/year	$0
Annual savings		$185K
System cost		$35K
ROI		429%

Protect your cold chain with ParticLIO temperature sensors. Request a demo.