+8619357069501    ktopto@126.com
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Professional manufacture of fiber optical cable since 1992.
41 invention patents Independent production with complete intellectual property of preform and optic fiber.

Cutting-edge Technology

Leveraging the latest advancements in optical communication technology to deliver innovative solutions that meet the evolving needs of our clients.

Rigorous Quality Control

Implementing stringent quality control measures throughout the manufacturing process to ensure our products consistently meet high standards of reliability and performance.

Expert Technical Support

Providing comprehensive technical support and consultation services from our experienced team to help clients optimize their optical communication systems&achieve optimal results.

Customer-Centric Approach

Focusing on building strong relationships with our clients by understanding their unique requirements&delivering tailored solutions, backed by responsive customer service and support.

Welcome to KEEPTOP

KEEPTOP is the core business of KEEPTOP Group’s Communication Industry, founded in 1985. KEEPTOP Group has three major industries: Energy-saving and environmental protection, Electrical equipment, and Information communication, with Hangzhou Cable and KEEPTOP Huanbao as two listed companies. KEEPTOP is a national high-tech enterprise specializing in research & development, production, and sales of various kinds of optical fiber, optical cable, passive optical devices, and wiring products. The first HYYV local telephone cable in Hangzhou and the first communication optical cable in Zhejiang Province were made by KEEPTOP. The company is known as the "Huangpu Military Academy" - the optical communication base of the optical communication industry. KEEPTOP has achieved full coverage of the optical preform, optical fiber, and optical cable industry chain, with an annual output of 600 tons of optical preform, 30 million kilometers of optical fiber, 20 million fiber kilometers of all kinds of communication optical cables, 1 million kilometers of FTTH cable, and 10 million sets of various passive devices.
R&D Talent Team

Extensive experience in optical fiber optic cable research and development

The group currently has more than 30 senior experts and senior engineers engaged in research in the fields of optical fiber and optical cables, communication cables, power cables and optical devices, and each of its subsidiaries has senior experts in the industry as chief engineers. A scientific research team was formed with chief engineer leadership planning, coordinated advancement, middle-aged and young backbones, R&D engineers to implement demonstrations, and basic technical personnel to effectively implement the scientific research team.

KEEPTOP Success Stories

Driving Innovation in Communication Solutions
 
Explore how KEEPTOP has been at the forefront of revolutionizing the communication industry. Our success stories showcase a commitment to innovation, reliability, and excellence in delivering cutting-edge solutions. Discover the transformative impact of KEEPTOP's technologies through these real-world case studies.

KEEPTOP's Manufacturing Prowess

Step into the world of manufacturing excellence with KEEPTOP. Our commitment to precision, quality, and innovation defines us as leaders in the industry. Discover how our state-of-the-art facilities and meticulous processes ensure the creation of top-notch products, setting new standards for manufacturing strength and reliability.
 
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KEEPTOP Applications

。Explore the versatility of KEEPTOP's cutting-edge applications that cater to a wide spectrum of industries. From seamless connectivity solutions to advanced optical technology applications, our innovative products empower businesses to thrive in an interconnected world. Discover how KEEPTOP transforms challenges into opportunities across various sectors.
 
Communication-Network-Infrastructure Communication Network Infrastructure
laser Laser
Power Systems and Telecom Towers Power Systems and Telecom Towers
Urban Networks and Broadband Access Urban Networks and Broadband Access
Data Centers and Local Area Networks Data Centers and Local Area Networks
Outdoor Environments Outdoor Environments
Wireless Communication Base Stations Wireless Communication Base Stations
Residential&Commercial-Building-Networks Residential&Commercial Building Networks

Service Excellence and Technical Support

At KEEPTOP, our commitment extends beyond cutting-edge products. Explore our dedicated Service Excellence and Technical Support platform, where our expert team ensures seamless integration, troubleshooting, and ongoing assistance. Experience the difference with our comprehensive services, designed to maximize the performance and reliability of your optical communication solutions.
 

Service

Our service commitment goes beyond products. We prioritize your satisfaction, offering personalized assistance, timely delivery, and a seamless customer experience. Your success is our priority.

Technical Support

Rely on our dedicated technical support for expert guidance at every step. From installation to troubleshooting, our skilled team ensures your systems operate at peak performance.

News and Events

Explore the dynamic world of KEEPTOP through our News and Events hub. Stay informed about our latest achievements, product launches, industry insights, and upcoming events. Dive into a wealth of information, keeping you connected to the forefront of optical communication innovations.
 
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Recommended Fiber Optic Cable Types for Cross-Border Communication Projects

​Against the backdrop of rapid global digitalization, informatization, and network infrastructure development, cross-border communication projects are becoming a core construction focus for operators, data centers, cloud computing service providers, and international engineering contractors. Whether it's international backbone networks, submarine communication systems, or cross-border data center interconnection projects, high-performance, high-stability fiber optic cables are indispensable key materials.

READ MORE
2026 01-20
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Fiber Optic Cable Selection And Deployment Recommendations for FTTH Projects

​With the continuous upgrading of global broadband infrastructure, FTTH (Fiber to the Home) has become a core direction for current and future communication network construction. Compared with traditional copper cable networks, fiber optic cables have significant advantages in transmission speed, stability, anti-interference capability, and network scalability. For operators, engineering contractors, and system integrators, how to scientifically select fiber optic cable types and rationally deploy them in FTTH projects is a key factor determining network quality and long-term operation and maintenance costs.

READ MORE
2026 01-14

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Stay Informed, Stay Ahead
Be the first to know! Subscribe to KEEPTOP's newsletter for exclusive updates on groundbreaking technologies, product releases, and industry trends. Join our community of innovators and stay ahead in the world of optical communication.
 
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Hangzhou Keeptop Optic Co., Ltd.
Phone: +86 19357069501
Address: FL 1, No. 67, Wusi Lushan street,Fuyang district, Hangzhou city, China
 

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