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 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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Introduction

Specialized in safe electricity and smart home solutions.

Service

reliability, safety, and compliance with industry standards

History

Founded with a vision to deliver high-quality products to global markets

Our Team

Our company is a vertically integrated enterprise specializing in manufacturing, trading, and R&D , ensuring end-to-end control over product quality

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 ...

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 is DC dimmer, and what's the application

DC dimmer switches are essential components in modern lighting control systems, particularly for LED strips and low-voltage lighting applications. These devices allow users to adjust brightness levels, enhancing ambiance, energy efficiency, and user comfort. Key products in this category include ...

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, ...

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

Smart Power Strip with PD20W Fast Charging Socket: The Ultimate Solution for Modern Homes [Shenzhen, April 12th,2025] – In today's fast-paced digital world, keeping devices powered up efficiently is more important than ever. Keygma is proud to introduce its latest innovation—the Smart Power Strip ...