About Us

Established in 1983, Plug Master Industrial Co., Ltd. (PMC / 乾羅科技股份有限公司) is a premier Taiwan-based B2B OEM/ODM manufacturer specializing in high-performance networking, telecommunications, and industrial connectivity solutions. With over four decades of manufacturing expertise, PMC has built long-term partnerships with more than 150 global client partners across 50+ countries in Europe, the Americas, Asia, and Oceania.

Why Global Partners Choose PMC:

• Comprehensive Product Portfolio: We design and manufacture a full spectrum of modular plugs—from Cat.5e, Cat.6, Cat.6A to Cat.8 (4P4C to 15P15C)—as well as compatible plug boots, patch panels, and specialized single-tool crimping solutions for all plug specifications.
• ESG Compliant & Eco-Friendly RJ45 Supplier: As a trusted ESG compliant / eco-friendly RJ45 supplier, all PMC products strictly adhere to international quality and environmental standards, including ISO 9001, ISO 14001, and ISO 14064-1 (Greenhouse Gas Quantification). Our full product lineup is compliant with RoHS, REACH, TSCA, and PFAS-free regulations.
• Automated Production & Custom Packaging: Operating with matured, automated manufacturing and packaging systems, we deliver exceptional production efficiency and consistent quality stability. We offer tailored retail and B2B packaging options—including custom bags, display boxes, blister packs, and toolkits—ready for direct shelf placement.
• End-to-End Technical Support: PMC provides comprehensive technical instruction and selection guidance for cable assembly, ensuring precise product matching and maximum patch cord transmission performance for our clients.

As the industry leader in Taiwan offering the most complete product range, fastest lead times, and uncompromised quality, PMC remains dedicated to driving customer success through innovation and sustainable manufacturing.

Capabilities :

• Research and Development: Specializing in mold design, we develop customized solutions tailored to client specifications.
• Manufacturing Excellence: Utilizing precise, fully automated plastic injection and terminal assembly processes, we ensure high efficiency and superior quality in all our products.
• Quality Assurance: Our products are UL certified, and our factory holds ISO 9001, ISO 14001, and QC080000 certifications, reflecting our commitment to quality and environmental standards.

Our Core Products :

• RJ45 8P8C Connectors: Supporting Cat.5e, Cat.6, Cat.6A, and Cat.8 standards.
• RJ12 6P6C Connectors
• RJ11 6P4C & 4P4C Connectors
• Modular Plug Boots
• Telecommunication Networking Crimping Tools

Customization Services :

• We excel in producing RJ connectors across a wide range of specifications, tailored to meet diverse customer cable requirements. Our expertise in custom connector manufacturing allows us to provide solutions that align with specific client needs, ensuring both functionality and reliability.

Commitment to Excellence :

• Our focus extends beyond delivering high-quality connectors; we are dedicated to providing exceptional customer service and competitive pricing. As a leading manufacturer in our field, we have a proven track record of success and innovation.
  
  

We welcome your inquiries and orders, offering comprehensive technical support to fulfill your needs, from standard products to the most advanced custom requests.

For more information, please visit our website: https://www.plugmaster.com.tw

(5) Prohibit the Use of Conflict Minerals Declaration

Statement of no use of "Conflict minerals"

On August 22, 2012,The US Securities and Exchange Commission (SEC) passed Article No. 1502 of the "Dodd-Frank Wall Street Reform and Consumer Protection Act", the final edition with regard to "Conflict minerals" procurement. With our corporate social responsibility and international justice practice, ATEN addresses our statement with the standardized self-management approach to avoid use of metallic materials such as, gold, tantalum, tungsten, tin, etc, which are often used in electronic products, from the conflict area such as Democratic Republic of the Congo and its neighboring areas where environment and human rights are neglected per the EICC/GeSI Conflict Minerals Reporting Template of the Electronic Industry Citizenship Coalition (EICC).

PMC's Statement of "Conflict Minerals":
PMC and its suppliers shall take social and environmental protection responsibilities.
The "Three No" principle for ATEN is no support, no acceptance and no use of metals, i.e., "Conflict Minerals" from the D.R. Congo and its neighboring nations as well as armed conflict areas where metals are mined illegally from unacceptable working environments.

Suppliers shall retrace the sources of Co, Au, Pd, Ta, Sn and W that are contained in all products to ensure that those metals do not come from the "conflict mining areas".

Implement the green supply chain to comply with customer's requirements and international justice practice. Understand in-depth the management condition of the conflict minerals by suppliers and investigate per the EICC/GeSI Conflict Minerals Reporting Template.

Letter of Patent
Patent of new type closed cross-divider (Dongguan Factory)
Patent of the structure of modular plug (Dongguan Factory)
Patent of the structure of modular plug (Taiwan Factory)
Patent of the improved modular plug (Taiwan Factory)
The Patent of special cutting design for Crimping tool (Taiwan factory)
The Patent of RJ45 8P8C Plug with short latch P8-039-9 (Taiwan factory)
The Patent for Extraction prevented Plug P8-039-9 + key P8-I040 (China factory)

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