DAJIANG OEM M12 4-Pin Male Female Connector Cable Industrial Waterproof Sensor Extension Wire A-Coded Safe Signal Cord

Deeply rooted in Dongguan—the global pulse of electronic manufacturing—Dongguan Dajiang Electronics Co., Ltd. (DJE) has been a pioneering force since 2005. With a 21-year relentless commitment to premium connector manufacturing, we have evolved from a specialized component factory into a comprehensive, full-link connection solutions provider. With micron-level precision, we connect reliable power and signals across the globe.
 Industrial Infrastructure & Market Leadership
As a premier source manufacturer, Dajiang Electronics focuses entirely on the R&D and production of DC power plugs, audio/video connectors, medical-grade non-magnetic stainless steel connectors, new energy vehicle (NEV) interfaces, continuous terminals, automatic lathe components, and high-precision hardware/plastic molds. We believe in perfecting our core craft to the absolute limit.
Manufacturing Powerhouse: Our operations span a 21,000 m² modernized manufacturing complex equipped with over 100 sets of automated machinery, including precision automatic lathes, CNC machines, and Taiwan-imported injection molding equipment. Our mold tooling precision reaches an exceptional tolerance of $\pm0.05\text{mm}$.
Rigorous Quality Control: We have built a zero-compromise quality assurance system. Utilizing advanced salt-spray testing chambers, insulation resistance testers, and optical projectors, we enforce full-process quality control to guarantee that every component is built for ultimate durability.
Global Compliance & Certifications: Certified under ISO9001 and ISO14001, DJE products meet the most stringent safety and environmental regulations required by global markets. Our product lines carry full UL, UKCA, RoHS, and REACH certifications, serving as a rock-solid foundation of trust for international buyers.
Global Reach: Today, our products are exported to 77 countries and regions, including Europe, North America, the United Kingdom, Japan, South Korea, and the Middle East, earning an elite reputation across consumer electronics, industrial automation, and smart home industries.
 Our Core Philosophy & Values
At Dajiang, our growth is guided by a clear vision and a deep sense of corporate responsibility. We don't just manufacture connectors; we build enduring partnerships.
Our Vision: To become the leading brand in the plug and connector industry, creating a century-long benchmark enterprise celebrated for employee well-being, client respect, and social contribution.
Our Mission: To achieve both the material and spiritual happiness of the Dajiang team, empowering our clients' high-quality development with cutting-edge electrical connection technology.
Our Core Values: Customer-centricity, dedication-driven, and long-term perseverance. We firmly reject low-cost compromises that sacrifice quality. We adhere strictly to being "Better, Stronger, and More Sustainable," co-creating a win-win ecosystem with our clients and partners.
Quality as Our Soul, Service Beyond Expectations
"Serving with heart, delivering excellence" is the unchanging service philosophy at Dajiang Electronics. We provide more than just components—we engineer complete, turn-key connection solutions.
From product selection and custom blueprint development to mass production and just-in-time delivery, our specialized technical team provides one-on-one responsive support. Backed by a massive monthly production capacity of 50 million pieces, we offer rapid shipping for standard stock and highly efficient lead times for custom OEM orders.
We firmly believe that a small plug carries great responsibility, and precision connections shape a grand future.​
Contact Our International Sourcing Team:
Email: [email protected] (Direct to GM Mr. Aaron Jiang)
Alternative Email: [email protected]
WhatsApp / WeChat: +86-13686044536
Tel: +86-769-81867761
Official Website: www.plug-china.com
Latest Factory Address: Songhu Information Industry Park, Chashan Town, Dongguan City, Guangdong Province, China