Welcome to Hangzhou Qiansineng Technology Co., Ltd.
Your trusted provider of high-quality test leads and accessories for over 20 years. We deliver reliable, durable solutions trusted by professionals worldwide, including test leads, probes, banana plugs, alligator clips, and BNC adaptors.
Explore our products and discover why we’re the preferred choice for electrical testing solutions.


Company Overview

At QSNTECH, we are a leading high-quality test leads manufacturer with over 20 years of experience, delivering reliable and durable solutions trusted by professionals worldwide.

Since 2003, our precision-engineered products — including test leads, probes, banana plugs, alligator clips, and BNC adaptors — are exported to 50+ countries and supported by an annual revenue of $30 million. Backed by a skilled R&D team and advanced automated facilities, we ensure every product meets the highest standards of precision, durability, and consistency.

Our commitment to quality and innovation has earned us recognition as a trusted partner for global brands. We offer OEM and ODM services to deliver tailored solutions that meet your unique requirements.

Partner with QSNTECH to experience unmatched quality, customized solutions, and dedicated professional support.

Our Mission and Values

Our mission is to deliver high-precision, durable testing solutions that enhance your work efficiency and ensure product safety. We are driven by integrity, excellence, and a commitment to customer satisfaction, ensuring every solution we provide meets your highest expectations — from innovative product development to reliable, responsive service.

Our Customers

We serve industries such as electronics, automotive, aerospace, and industrial manufacturing. Trusted by engineers and professionals worldwide, our products deliver the precision and reliability needed for critical applications, helping you achieve consistent performance and operational efficiency.

Production Capacity

We achieve a monthly production capacity of over 500,000 units with five advanced automated production lines. Standard orders are delivered within 7-10 days, while large-volume or urgent orders are efficiently handled with flexible scheduling to meet your specific needs.

Quality Assurance & Certifications

At QSNTECH, quality is our top priority. All products undergo 100% inspection before leaving the factory to ensure precision and reliability.

We are certified with:

  • CE – Product safety compliance
  • RoHS – Environmentally friendly materials
  • REACH – Chemical safety compliance

Our commitment to rigorous quality control guarantees products you can trust.

Customer Testimonials

See what professionals worldwide are saying about QSNTECH:

  • “QSNTECH’s test leads are unmatched in precision and durability. They’ve become a must-have in our automotive testing processes.” — John D., Automotive Engineer.
  • “I’ve been using QSNTECH products for over five years. Their exceptional quality and quick delivery make them my go-to supplier.” — Maria L., Industrial Technician.
  • “Reliable products and outstanding customer support — QSNTECH truly understands what professionals need for critical testing.” — Alex R., Electronics Engineer.

Special Product Recommendations

As a leading supplier of test leads and accessories, we proudly recommend our flagship products:

  • High-Precision Test Leads: Ideal for accurate voltage and current measurements, ensuring reliable performance. View Product
  • Durable Probes: Built for long-term durability, perfect for frequent use in demanding environments.View Product
  • Multi-Function Testers: Integrated with multiple measurement functions for enhanced user convenience. View Product

These products are among our top performers and are recognized in the market for their quality, precision, and reliability.

Contact Us

If you have inquiries or need assistance, please get in touch with us. We’re here to help you find the perfect solutions for your testing needs.

Explore our product offerings: Test Leads, Test Probes, Banana Plugs, Alligator Clips, and BNC Adaptors.