About Signal

  Shenzhen SIGNAL Electronics Co., Ltd. (trademark SIGNAL, hereafter referred to as Signal) is a professional manufacturer of connectors and wire harnesses. Signal specializes in the development and manufacturing of industrial connectors and the assembly of wire harnesses, offering customized solutions. Founded in 2009 and headquartered in Guangming District, Shenzhen, Signal includes several entities: Shenzhen Signal Electronics Co., Ltd., Hunan Signal Industrial Technology Co., Ltd., Signal (Hong Kong) International Co., Ltd., Signal (Singapore) Co., Ltd., Signal (Malaysia) Industrial Co., Ltd., and Shenzhen Signal Precision Mould Co., Ltd. The company has a 40,000 square meter industrial facility and a team of over 600 employees in R&D, manufacturing, and sales. It operates various workshops for mold making, injection molding, metalworking, connector assembly, and wire harness processing, along with a lab built to international industry standards. Signal holds multiple technology patents and is recognized as a national high-tech and specialized new enterprise, serving numerous Fortune 500 companies globally.

  Signal's main products include circular waterproof connectors, RF coaxial connectors, push-pull self-locking connectors, and aviation connectors (D38999 series). The M-series circular waterproof connectors are comprehensive:M5/M8/M9/M12/M16/M17/  M23/M40/7/8", RD24 series. They also offer fieldbus/industrial Ethernet connectors: SPE/Ethernet/EtherCAT/PROFINET/PROFIBUS/    DeviceNet/CANopen/CC-link series, and IO-Link products: splitters, field installable connectors, distributors, and overmolded harnesses. These products are used for signal transmission, power supply, network interconnection, and data transmission. They are widely applied in industrial automation, automotive electronics and manufacturing, robotics, rail transit, sensors, medical, marine, and energy sectors. For ten consecutive years, Signal has maintained an export rate of over 70%, serving over 60 countries and regions globally. 

  SIGNAL implements advanced enterprise management systems and has established comprehensive ISO9001:2015 and ISO14001:2015 certifications. It also adheres to the intellectual property management system GB/T29490-2013 and the industrial and information integration management system GB/T23001-2017, and introduced the IATF16949:2016 quality management system in 2021. All product materials comply with RoHS and REACH environmental standards, and products are certified by CE, UL, and TUV, achieving protection levels up to IP67/IP68/IP69K.  

  SIGNAL is committed to its core values of "technological innovation, scientific management, high efficiency, and customer satisfaction," and aims to establish long-term, mutually beneficial partnerships with customers and suppliers. SIGNAL strives to be your trusted expert in connectors and cable assemblies, and a renowned brand in the global connector industry!

  • 14


    Deeply cultivating the industry

  • 10

    Million Sets

    Annual capacity

  • 100


    Patent Technology

  • 600


    Company Staff





Company Incorporation


Obtained CE certificate


Registration of SIGNAL trade mark 


Moved to new factory (2200m² → 6000m²)


Acquired UL764 certificate


Member of SPE Association


Hunan plant construction and start-up

Singapore branch established


High-tech Enterprise Certificate

2023 Top Ten Innovation Practice Bases of Artificial Intelligence Industry Association

Shenzhen Artificial Intelligence Industry

Certificate of Top 100 Independent Innovation Enterprises

Standing Director Unit Certificate

Contract-abiding and trustworthy enterprise

Certificate of Specialty and Specialty New


Becoming a leading enterprise

Focus on cutting-edge technology, continuously innovate technology,and strive to become a globally renowned provider of interconnected system solutions