China Safety Light Curtain & Sensor Manufacturer

Trusted Safety Technology Since 2003

Dongguan Dadi Electronic Technology Co., Ltd. is a leading manufacturer of safety light curtains and infrared sensors. As one of the first companies to enter the national optoelectronic high-tech industry, we bring over 20 years of innovation and precision engineering to every product.

We are committed to producing equipment that protects the safety of machine operators. Our products provide quality solutions for well-known enterprises and customers across the industrial automation, automotive, packaging, and manufacturing sectors.

Replace Omron, Keyence, Contrinex, and other global brands

TUV, CE, ISO9001, ROHS certified with multiple patents

24-hour continuous testing before shipment

Premium Industrial Sensors

High-performance safety and automation components designed for durability, precision, and global compliance. Engineered to meet the demands of modern industrial environments.

Type 4 Level Safety Light Curtain

Highest safety level protection for hazardous machinery. Ideal for press brakes, stamping, and robotic cells.

• TUV & CE Certified
• IP65 Protection
• 24V DC Operation
• Response time < 20ms

TUV Certified Safety Light Curtain

Reliable protection with international certification. Ensures compliance with global safety standards.

• TUV Rheinland Certified
• Type 4 Safety Level
• 10m Max Range
• PNP/NPN Outputs

Shockproof Safety Light Curtain

Built for harsh industrial environments. Resistant to vibration, dust, and electrical interference.

• Anti-interference Design
• Metal Housing
• IP67 Option Available
• Wide Operating Temp

QZ/QB Ultra-slim Safety Light Curtain

Space-saving design for tight installations. Ideal for packaging machines and automation cells.

• Only 25mm Height
• Type 2 & Type 4 Options
• 0.5m to 8m Range
• Easy Alignment

Ultrasonic Sensor

Non-contact distance measurement for level, presence, and positioning applications.

• 20cm to 5m Range
• Analog & Digital Output
• IP67 Protection
• Adjustable Sensitivity

Vehicle Separator

High-precision infrared system for vehicle detection in parking, toll, and access control systems.

• 2m to 5m Detection Zone
• Weather Resistant
• RS485 Communication
• Dual-beam Option

Color Sensor

High-accuracy color recognition for sorting, quality control, and printing applications.

• RGB Color Detection
• Teach Function
• Fast Response
• Compact Design

Proximity Sensor

Inductive and capacitive sensors for metal and non-metal detection in automation systems.

• M12, M18, M30 Housing
• NPN/PNP Output
• IP67/IP68 Rating
• 2-wire & 3-wire Options

View All Products

Why Choose DADISICK?

Certified Quality

TUV, CE, ISO9001, ROHS certified with multiple patents. Compliant with international safety standards.

24-Hour Testing

Every product undergoes continuous 24-hour testing before shipment to ensure reliability and performance.

Global Replacement

High-quality Chinese-made sensors that directly replace Omron, Keyence, Contrinex, and other premium brands.

Technical Expertise

Over 20 years of experience in optoelectronic safety systems. Dedicated R&D and engineering support.

Frequently Asked Questions

Are DADISICK products certified?

Yes, our products are TUV, CE, ISO9001, and ROHS certified. We hold multiple patents and comply with international safety standards for industrial equipment.

Can your safety light curtains replace Omron or Keyence?

Absolutely. Our sensors are engineered to match or exceed the performance of Omron, Keyence, Contrinex, and other global brands, offering a cost-effective alternative without compromising quality.

What is the warranty period?

We offer a standard 18-month warranty on all products. Extended warranty options are available for bulk orders and OEM partnerships.

Do you offer customization?

Yes, we provide OEM/ODM services including custom housing, cable lengths, output types (PNP/NPN), and specialized programming to meet specific application requirements.

How do you ensure product quality?

Every unit undergoes 24 hours of continuous testing using professional equipment before shipment. Our ISO9001-certified production line ensures consistent quality control.

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Industrial Safety Solutions from China