About Us
Dongguan AOSI Electronics Co., Ltd. is a professional manufacturer specializing in terminal blocks and modular connectors with over 15 years of experience. We provide complete OEM & ODM services, offering reliable and space-saving connection solutions for industrial automation, electrical equipment, and control systems.
With modern production facilities in Dongguan and a highly efficient team, our monthly output exceeds 1 million units, ensuring consistent quality and timely delivery. We operate under an ISO 9001-certified system, and all products undergo 100% electrical and performance testing before shipment.
AOSI products are certified to meet CE, RoHS, REACH, and other international standards. We serve customers in over 100 countries, including system integrators, OEMs, and distributors across Europe, Asia, and the Americas.
We focus on innovation, quality, and service, aiming to be your trusted partner in reliable electrical connectivity.
15
Years
ODM/OEM
Experience
150
+
Employees
12000
m2
Plant Area
1 Million
+
Monthly Production
Check Out Our Manufacturing Process
Submit Your RFQ
Send us your drawing, specifications, or part number. Our engineering team will review and provide you with a prompt quotation.
Confirm Your Order
Our experts will confirm technical details, materials, lead time, and pricing with you to ensure everything fits your project needs.
Production & Delivery
We leverage precision manufacturing and rigorous testing to build your parts. Your finished order is then shipped directly to your facility.
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Innovative Ultra-Thin Double-Layer Pluggable Terminal Blocks
Multiple pitch option: 3.5mm/3.81mm/5.0mm/5.08mm/7.62mm
Offers perfectly matched male and female headers
Ultra-Thin & Compact Profile
Stable & Reliable Transmission
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Modular Interfaces & High-Performance Terminal Blocks
an innovative combination of D-sub connectors and terminal blocks, this solution offers highly integrated modularity to simplify system design and wiring, ideal for specialized applications.
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DIN Rail RJ45 Terminal Block Module
RJ45 Ethernet Port
Tool-Free Spring Wiring
DIN Rail Compatible
Modular and Expandable Design
Industrial-Grade Durability
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Push-in Pluggable Dual-Row Terminal Blocks
Innovative push-in design allows for quick wire insertion and secure termination without the need for screws, significantly boosting installation efficiency.
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PCB Plug-in Terminal Blocks
PCB Direct Plug-in Soldering
Modular Interlocking Design
Internationally Certified like UL, VDE, RoHS and so on
Direct from Manufacturer with Abundant Stock
Application Scenarios & Solutions
Hot Tips on Terminal Blocks & Modules
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