What Shenzhen Superlink Technology does

Shenzhen Superlink Technology (operating as SLK Technologies Inc. or Superlink) is a privately held Chinese manufacturer of RF and microwave precision interconnection products, founded in 2008 and headquartered in Shunde, Foshan, Guangdong Province. The company designs and produces more than 10,000 models of RF connectors and adapters spanning DC to 110 GHz and 1 mW to 50 kW, alongside cable assemblies, coaxial cables across 12 series, high-power RF products, RF test probes and cables, and integrated test kits. Its automotive line—FAKRA, Mini-FAKRA (HFM), HSD, and SMB series—is qualified to IATF16949, USCAR, and ISO standards and is mass-produced for OEM and Tier 1 suppliers. The company also serves adjacent verticals including test and measurement, 5G/wireless communications, medical (including MRI-compatible and RF ablation applications), semiconductor production, industrial automation, satellite communications, and frontier applications such as quantum computing cryogenic cables and millimeter-wave adapters for 6G and aerospace.

SLK monetizes almost exclusively through B2B hardware sales of components, cable assemblies, and test kits, supplemented by customized design services. Pricing is quote-based and not publicly disclosed. Distribution is anchored by direct sales through 16 global sales and service locations targeting Fortune 500 enterprises, with participation in international exhibitions such as IMS 2023 and IMS 2025, and industry association membership in the Guangdong Connector Association. The company holds 60+ technical patents, operates the Guangdong Provincial Radio Frequency Microwave Passive Components and Systems Engineering Technology Research Center, and was recognized in 2024 as a National High-tech Enterprise and Specialized and Innovative Small Giant Enterprise. A 25-acre, 40,000+ square meter new factory is being built in the Shunde High-tech Zone to support future capacity needs. The legal entity is SLK Technology Co., Ltd., and the firm was previously known as Shenzhen Speedlink Technology Co., Ltd.

Name

Shenzhen Superlink Technology

Legal name

SLK Technology Co., Ltd.

Website

https://slkcorp.com

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

101–250 employees

Short description

SLK Technologies Inc. is a Chinese RF and microwave interconnection product manufacturer designing RF connectors, adapters, cable assemblies, and test kits (DC-110 GHz) for telecom, automotive, medical, semiconductor, industrial, satellite, and quantum computing customers globally.

Ownership category

akta.pro rank

Headquarters

HQ city

Guangdong

HQ country

China

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Technology or R&D, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. RF Connector Sales: Sale of RF connectors and adapters covering full frequency range DC-110GHz with power range 1mW-50kW. SLK offers more than 10,000 models of RF connector products.
2. Cable Assembly Products: Manufacture and sale of various cable assemblies including RF cable assemblies, multi-channel cable assemblies, power cable assemblies, signal cable assemblies, and aviation/hybrid cable assemblies.
3. Coaxial Cable Products: SLK coaxial cables divided into 12 series according to structure and characteristics (SPT, SPB, Obend, SPO, Tbend, LLF, LLE, Sflex, Sbend, SPO, SPT, SPB, Nbend) meeting diverse customer needs.
4. RF Test Equipment: SLK Test Kits covering 1.0mm, 1.85mm, 2.4mm, 2.92mm, and 3.5mm series, along with waveguide-to-coaxial adapter test kits and complete SLK Full Test Kit series for testing, measurement, research, and development.
5. Customized Design Services: SLK provides total interconnection solutions and customized design services for various industrial applications including telecommunications, data communication, test and measurement, medical, industrial automation, and semiconductor.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Shenzhen Superlink Technology (SLK) designs, develops, and manufactures RF and microwave precision interconnection products, including 10,000+ RF connector and adapter models covering DC-110GHz, cable assemblies, coaxial cables, RF probes, test cables, high-power connectors, RF surge arrestors, waveguide-to-coaxial adapters, and automotive interconnection products (FAKRA, MiniFAKRA, HSD, SMB series). The company also delivers customized design services and total interconnection solutions for telecommunications, automotive, test and measurement, medical, semiconductor, industrial automation, and satellite communication customers globally.

Product overview

SLK Technologies Inc. (Superlink) is a manufacturer specializing in RF/microwave interconnection products and solutions founded in 2008. The product portfolio centers on RF connectors and adapters (10,000+ models from DC to 110GHz), RF test probes and cables, high power products, cable assemblies, and coaxial cables across 12 series. Automotive products include FAKRA, MiniFAKRA (HFM), HSD, and SMB series meeting IATF16949 standards. Recent additions include the XEM Series high-speed differential signal connectors, M12 Series industrial connectors, precision Test Kits (1.0mm to 3.5mm with 27-110GHz coverage), Waveguide-to-Coaxial Adapters, and ultra-low temperature cables for quantum computing (4K operation). The company serves telecommunications, data communication, test and measurement, medical, industrial automation, semiconductor, automotive, and satellite communication industries.

Differentiator

Problem solved

Functional benefit

Products and services

• RF Connector & Adapter Over 10,000 RF connector and adapter models covering DC-110GHz frequency range and 1mW-50kW power range for challenging interconnection applications in harsh environments. Sold to industrial customers across telecommunications, automotive, medical, semiconductor, and aerospace sectors.
• RF Probe RF test probes and jumpers in various interfaces and sizes for smartphone and terminal production testing, compatible with mainstream RF mini-interfaces and switches. Sold to test and measurement customers and device manufacturers.
• Test Cable RF test and measurement cables supporting up to 110GHz with low insertion loss, low VSWR, high shielding efficiency, and stable amplitude stability. Sold to test and measurement labs and R&D organizations.
• High Power RF Products High-power RF connectors and assemblies covering N, HN, 7/16DIN, and LC to EIA interfaces with quick-plug compatibility for QRM/SQS systems and unique tail-locking design. Sold to semiconductor production and high-power RF customers.
• Cable Assemblies Cable assemblies including RF cable assemblies, multi-channel cable assemblies, power cable assemblies, signal cable assemblies, and aviation/hybrid cable assemblies configured via crimping, welding, or screwing per user requirements. Sold to telecommunications, aerospace, and industrial customers.
• Power/Signal Connector Power and signal connectors providing uninterrupted connectivity for home appliances, automation equipment, and instrumentation. Sold to industrial and consumer-equipment manufacturers.
• Coaxial Cable Coaxial cables divided into 12 series (SPT, SPB, Obend, SPO, Tbend, LLF, LLE, Sflex, Sbend, SPO, SPT, SPB, Nbend) meeting diverse customer needs with various configurations. Sold to telecommunications, test, and industrial customers.
• RF Surge Arrestor Electromagnetic safety shields and surge protection devices for the front door channel of wireless electronic information equipment. Sold to wireless infrastructure and telecom equipment manufacturers.
• RF Passive Component High-quality RF microwave passive devices including waveguide-to-coaxial adapters and RF load connectors for testing and measurement applications. Sold to test and measurement labs and system integrators.
• Test Kits Precision RF test kits including 1.0mm, 1.85mm, 2.4mm, 2.92mm, 3.5mm series and Waveguide-to-Coaxial Adapter Test Kits with frequency coverage from 27 to 110 GHz, providing one-stop testing solutions with test cables, adapters, interface charts, and tools. Sold to test and measurement laboratories.
• Automotive Products (FAKRA Series) High-frequency and high-speed automotive RF connectors compliant with IATF16949 and USCAR standards for vehicle infotainment, ADAS, communication, and GPS systems. Sold to automotive OEMs and Tier 1 suppliers.
• HSD Series Products High Speed Data fully shielded differential signal pair connectors supporting LVDS and Ethernet protocols up to 6Gbps, used in automotive entertainment, ADAS systems, surround view cameras, USB 2.0/3.0, and 100BASE-TX/1000BASE-T1 Ethernet applications. Sold to automotive Tier 1 suppliers and OEMs.
• MiniFAKRA (HFM) Series Products Next-generation miniaturized FAKRA connectors supporting up to 20Gbps data transmission with 80% space reduction versus standard FAKRA. Used in 360-degree cameras, ADAS, broadband infotainment, V2X systems, and 4K HD cameras. Sold to automotive Tier 1 suppliers and OEMs.
• xSPE Ethernet Series Products Automotive Ethernet interconnection products for high-speed data transmission in vehicle networks. Sold to automotive Tier 1 suppliers and OEMs.
• SMB Series Products SubMiniature Version B push-in locking RF coaxial connectors for radio equipment and electronic instruments up to 4GHz. Sold to telecom and electronics OEMs.
• M12 Series Connectors Industrial signal connectors for harsh environments with 3/4/5/8/12/17 PIN configurations, A-CODE through X-CODE keying options supporting sensor signals, field buses, AC signals, CAN bus, and 10 Gb/s high-speed data transmission. IP67/IP68/IP69K ratings. Sold to industrial automation and robotics customers.
• XEM Series High-speed Differential Signal Connectors Self-developed miniaturized 2PIN high-speed differential signal connectors for high-reliability signal transmission in industrial, automotive, and communications applications supporting PLCs, 10Gb Ethernet, sensors, controllers, and high-definition displays. Sold to industrial automation customers.
• Waveguide-to-Coaxial Adapter Passive components enabling efficient TE10-to-TEM mode conversion and impedance matching between waveguide and coaxial transmission lines for low-loss signal transition. Configurations include WR42-SMA, WR28-2.92mm, and WR10-1.0mm. Sold to satellite communications, aerospace, 5G/6G, and RF test customers.
• Ultra Low Temperature Semi-rigid Cable Cryogenic semi-rigid cables operating at 4K (-269°C) with stainless steel conductors and non-magnetic connectors, DC~14GHz frequency, 50Ω impedance, low thermal conductivity, low attenuation. Sold to quantum computing and advanced research customers.
• Y50 Circular Connector Bayonet-type circular connectors in imperial and metric series conforming to GJB598A/GJB101A standards, featuring quick connection/disconnection and waterproof/dustproof performance. Sold to defense and communication system manufacturers.
• Ultra-Micro Connector SPMS (G3PO) Ultra-micro connector reaching 67GHz frequency with blind-mate/press-fit quick installation, small size and weight, suitable for compact PCB boards with 7mm spacing. Sold to high-frequency PCB design customers.
• SMP Push-Pull Quick Lock Connector Quick-plug/unplug connector with push-pull locking mechanism for PCB board connections, curved design for narrow space layout, anti-off fast self-locking design. Sold to high-density PCB design customers.
• PCB Solderless Connector Solder-free RF connectors up to 67GHz with low VSWR, low insertion loss, simple installation, and high-efficiency testing. Optional SMA/2.92mm/2.4mm/1.85mm/1.35mm interfaces with HFSS simulation optimization models. Sold to PCB testing customers.
• Board to Board Multi-channel Connector Multiport Mini-SMP board-to-board connectors with tolerance compensation for blind mating in limited spaces, supporting up to 65GHz frequency with axial and radial tolerance functions. Sold to 5G communication and high-frequency system integrators.
• Customized Car Products Customized automotive interconnection solutions developed per customer requirements with IATF16949 compliant processes. Sold to automotive OEMs and Tier 1 suppliers.
• Tools Hand tools including crimp tools, extraction and insertion tools, and spanner nut adapters for connector installation. Sold to connector installation and field-service customers.

Quantifiable outcome

• Product frequency range up to 110GHz
• +3 more outcomes

Named customers4 records

Segments8 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Four partnerships are on record, tiered core and minor.

• Fortune 500 Enterprises (Global)coreStrategic or Co-development PartnerSLK has established long-term strategic partnerships with many top Fortune 500 enterprises globally. These partnerships focus on providing total interconnection solutions and customized design services across telecommunications, data communication, test and measurement, medical, industrial automation, and semiconductor applications.
• Guangdong Connector AssociationcoreStrategic or Co-development PartnerSLK is an outstanding executive member of the Guangdong Connector Association. The company participates in industry exchange events and collaboration initiatives with member companies to promote healthy development of the connector industry in Guangdong Province.
• OEMs and Tier 1 SupplierscoreChannel Partner/ Reseller/ DistributorSLK automotive products complying with USCAR and ISO standards have been mass-produced and applied to OEMs and Tier 1 suppliers in the automotive industry.
• Foshan Finance BureauminorOthersGovernment body providing financial services and policy support to SLK. Director Cai Wei of Foshan Finance Bureau visited SLK facilities on February 27, 2024, expressing government support for enterprise development.

Scale indicators7 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Huber+Suhner: Swiss-headquartered specialist in RF, microwave, and fiber-optic connectors, cable assemblies, and antennas serving telecom, automotive, industrial, and test & measurement — directly comparable to SLK across frequency range, customer segments, and customization model.
• Rosenberger Hochfrequenztechnik: German family-owned RF connector and coaxial cable assembly specialist with deep catalog across automotive (FAKRA), telecom, test & measurement, and industrial — a like-for-like competitor to SLK with similar standards-driven product strategy.
• Smiths Interconnect: Specialist in high-reliability RF/microwave connectors, cable assemblies, and test & measurement interfaces for aerospace, defense, telecom, and semiconductor test — closely comparable to SLK's high-frequency and test-focused portfolio.
• Radiall: French RF/microwave connector and cable assembly manufacturer serving aerospace, defense, telecom, industrial, and medical — overlapping heavily with SLK's high-frequency, harsh-environment, and precision test product lines.
• JYEBAO: Taiwanese RF and microwave connector, adapter, and cable assembly specialist — directly comparable as an Asia-based competitor with similar frequency range and broad catalog serving telecom, test & measurement, and industrial markets.
• Junkosha: Japanese manufacturer of coaxial cables, connectors, and cable assemblies for semiconductor test, medical, and RF applications — comparable to SLK's high-precision test cables and cryogenic/medical-grade product extensions.

Broad incumbents

• Amphenol RF: Division of Amphenol, the global connector incumbent, offering broad RF connector, adapter, and cable assembly portfolios serving automotive, telecom, military, and test — overlapping with SLK but with vastly larger scale and broader end-market coverage.
• TE Connectivity: Global connector and sensor incumbent serving automotive (including FAKRA and HSD), industrial, aerospace, and telecom — competes with SLK on automotive and industrial sockets as part of a much broader product portfolio.

Emerging players

• Pasternack (Infinite Electronics): Catalog-based RF connector, cable assembly, and test component supplier under Infinite Electronics — overlapping with SLK in test & measurement and RF prototyping but with a distribution-led model rather than custom-engineered projects.
• Anritsu: Japanese test & measurement equipment provider that also offers precision RF/microwave test accessories and connectors — partial overlap with SLK in test interfaces and high-frequency measurement up to 110GHz+.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/Superlink_SLK
• LinkedInlinkedin.com/company/shenzhen-superlink-connector-co.-ltd

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Shenzhen Superlink Technology