Quality Excellence

Certified Systems: ISO 9001 cULus/cETLus compliant with strict process control. Precision Testing: Advanced equipmentfor 100% inspection of critical parameters. Continuous Improvement to reduce defects and enhance reliability.

R&D team

In-House R&D Team: 5 engineers with more than 20 years experience dedicated to material innovation, product design, and technology upgrades. Collaborative Partnerships: Work with universities and global labs to pioneer sustainable and smart solutions . Customization: Rapid prototyping (e.g., 3D printing) to tailor products to client needs.

Efficient Production

Vertical Integration: Control over raw materials → manufacturing → logistics to ensure cost/delivery advantages. Lean Manufacturing: Minimized waste and flexible capacity for both bulk and niche orders.

100% SERVICE

24/7 Support: Dedicated account managers and multilingual service teams . Transparent Communication: Real-time order tracking and weekly progress reports. After-Sales Commitment: Warranty programs, fast replacement policies , and lifecycle maintenance.

WHO WE ARE & WHY CHOOSE US

China high quality LED Dimmer Switch & Night Light USB Outlet suppliers

Shenzhen Keygma Electrical Manufacturing Co.,Ltd

Shenzhen Keygma Electrical Manufacturing Co.,Ltd(“Keygma”) is the leading enterprises focusing on US&BR wall socket&switches. ISO9001 passed in 2020, and National High-Tech Enterprise was awarded in 2021.The company possesses four major industries: GFCI&AFCI,USB outlets, LED dimmer and smart sockets&switches.All the products are with patent and meet safety regulation standard. The core members of ...

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What's the advantage of DC dimmer with driver built in?

A DC dimmer with a built-in driver is an advanced lighting control device that integrates both dimming functionality and a power driver (such as a constant current or constant voltage driver) into a single unit. Unlike traditional dimming systems where the dimmer and driver are separate components, ...

What socket and switches will be installed in US houses?

Electrical outlets are essential components of modern homes, ensuring safety, convenience, and functionality. In the U.S., the National Electrical Code (NEC) mandates specific outlet types for different rooms to prevent electrical hazards. 1. Number of Outlets in a U.S. Home The NEC requires that ...

Is timer socket popular in Northern American market?

Timer outlets (also known as plug-in timers or programmable outlets) are widely used in American households for energy efficiency, convenience, and security. These simple yet powerful devices allow users to automate the operation of electrical appliances, reducing energy waste and enhancing home ...

New power strip, 2ft AWG18 Cord,PD20W fast charging

High-Capacity & Universal Compatibility Rated at 15A, 100-250V , this power strip supports a wide range of devices, from home appliances to office equipment, ensuring safe and stable power delivery. 20W USB-C PD Fast Charging Equipped with a USB-C Power Delivery (PD) port , it delivers up to 20W of ...

New DC dimmer released at the end of April 2025

At the end of April 2025 – Shenzhen Keygma proudly announces the launch of its new DC Dimmer , a high-performance lighting control solution designed for 12V and 24V DC systems . Engineered to meet U.S. standards , this dimmer delivers smooth, flicker-free dimming for a wide range of applications, ...

Product Advantages

COMPLETE CERTIFICATION

We have obtained some certificates in various aspects, which also provides a guarantee for our products to be sold to the world. You can rest assured about the whole process of our products.