This page is not the official website. Generated by AI, does not constitute any advice. If needed, please click here to visit the corresponding official website.

SHANGHAI LONGSONE
Electronic Tech Limited

Precision Industrial Sensors & Control Systems for Cranes, Winches, and Measurement Applications

Explore Products

About Longsone

Shanghai LONGSONE Electronic Tech Co., Ltd. is a leading manufacturer specializing in the design and production of high-precision industrial sensors and electronic control systems. With years of engineering expertise, we serve global markets with reliable solutions for crane safety, angle measurement, length detection, and engine monitoring.

Our core technologies include inclinometers, electronic compasses, digital levels, cable reeling sensors, A2B switches, and hour meters — all engineered for durability, accuracy, and seamless integration into heavy-duty environments.

15+
Years Experience
50+
Global Clients
100%
Quality Tested
Longsone Factory

Our Products

Engineered for performance, reliability, and precision — our industrial electronics are trusted in construction, logistics, and manufacturing sectors worldwide.

A2B Switch ATB Anti-two block switch LSA-6

A2B Switch ATB LSA-6

Anti-two block safety switch for cranes, prevents boom overextension and load collision.

Crane Warning Light LED Alarm Light Multi layer

Crane Warning Light

Multi-layer LED alarm light for enhanced visibility and safety on construction sites.

Resettable hour meter GET for all gas engine

Resettable Hour Meter GET

Digital hour meter compatible with all gas engines, ideal for maintenance tracking.

Anemometer (pulse)

Anemometer (Pulse Output)

Wind speed sensor with pulse signal output for real-time monitoring in industrial settings.

A2B Switch LSA-3

A2B Switch LSA-3

Compact anti-two block switch with high durability for mobile and tower cranes.

Length/angle sensor (0-60m)

Length/Angle Sensor (0-60m)

Cable reeling drum sensor for precise linear and angular measurement up to 60 meters.

Hour meter Red

Hour Meter Red

Analog-style red display hour meter for easy reading and long-term engine usage tracking.

Inclinometer

Digital Inclinometer

High-accuracy tilt sensor for leveling applications in construction and surveying equipment.

Electronic Compass

Electronic Compass

Digital direction sensor with stable output for navigation and orientation systems.

Cable Reels

Industrial Cable Reels

Durable cable drums for organized power and signal cable management in mobile machinery.

Winch Limit Switch

Winch Limit Switch

Precision switch to prevent over-winding in winch and hoist systems.

Tensiometer

Tensiometer

Tension measurement device for cables and wires in cranes and rigging systems.

Why Choose Longsone?

🔧

Precision Engineering

Every product is designed with high-grade components and calibrated for accuracy under extreme conditions.

🛡️

Safety First

Our A2B switches, warning lights, and limit sensors enhance operational safety in industrial environments.

🌍

Global Support

Trusted by clients worldwide with responsive service and technical documentation in multiple languages.

150+
Products Developed
30+
Countries Served
99.8%
Customer Satisfaction
100%
Tested & Certified

Frequently Asked Questions

What is an A2B switch used for?

An A2B (Anti-Two Block) switch prevents the crane's load block from contacting the boom tip, avoiding dangerous collisions and equipment damage.

Are your sensors suitable for outdoor use?

Yes, all our sensors and switches are built with IP65 or higher protection ratings, making them resistant to dust, moisture, and harsh weather.

Do you offer customization?

Yes, we provide OEM/ODM services and can customize sensors, housings, cables, and signal outputs based on client requirements.

What is the warranty period?

We offer a standard 18-month warranty on all electronic products, covering defects in materials and workmanship.

Can I get technical support?

Absolutely. Our engineering team provides full technical support, including installation guidance, troubleshooting, and integration assistance.

Get in Touch

For inquiries, quotes, or technical support, visit our official website to connect with our team.

Visit Official Website

Contact Information

  • Phone: (21) 62206859
  • Fax: (21) 62206859
  • Email: sales@longsone.com
  • Address: 15 Xinzhong Rd, Minhang, Shanghai, China

Notice for Buyers: If you are a buyer, the above information is generated by AI collection and does not constitute any advice. If necessary, please visit the corresponding official website.

For Domain Owners: If you are the domain owner and do not want to be included by fobcompany.info, please contact support@fobcompany.info via your corporate email to cancel. We will cancel your inclusion within 3 business days.

如果您是域名所有者 不想被fobcompany.info收录 请用企业邮箱联系support@fobcompany.info 取消收录 我们将在3个工作日取消您的收录

Service Request: If you are other domain and want to be included, please contact support@fobcompany.info

如果您是其他域名合作 也请联系support@fobcompany.info