D. K International Limited, also known as D.K. Moriarty Limited, is a long-established British manufacturer specializing in the design and production of instrument transformers. Founded in 1970 and headquartered in Colchester, United Kingdom, the company brings over 55 years of expertise to the electrical engineering and utilities sectors. Operating from its own factory, the company maintains a workforce of approximately 11 to 50 employees and is recognized for its ability to provide bespoke, tailored solutions for complex customer applications. Their core product range includes a comprehensive selection of current and voltage transformers, such as cast resin, outdoor slipover, outdoor bushing, and core balance transformers. They also specialize in precision metering transformers (classes 0.5, 0.2, and 0.1) and multi-secondary voltage transformers for meter test stations. D. K International Limited ensures high quality through rigorous individual testing and compliance with British, European, and International standards. The company holds ISO 9001, CE, FCC, and RoHS certifications, reflecting its commitment to quality control and environmental standards. While primarily focused on electricity distribution and control apparatus in the UK, the company also maintains international trade capabilities and serves markets across Europe and beyond.
Duc Khai Electrical Equipment Trading Co., Ltd. is a specialized provider of electrical grid equipment and power distribution solutions based in Ho Chi Minh City, Vietnam. Established in 2011, the company operates as a versatile trading, manufacturing, and service entity, serving as an authorized distributor for prominent international brands such as HD Hyundai Electric, TE Connectivity (Raychem), and Landis+Gyr. The company maintains a strong presence in the public procurement sector, having successfully participated in numerous bidding packages for major regional power corporations.
Their extensive product portfolio focuses on medium and low-voltage infrastructure, including termination kits, joint kits, T-plug connectors, surge arresters, and circuit breakers (ACB, VCB, MCB, MCCB). They also supply specialized components such as insulated piercing connectors, electronic meters, and substation accessories. Beyond product supply, Duc Khai provides comprehensive engineering services, including the installation of power systems, underground cables, and solar rooftop systems. They offer end-to-end package solutions for power substations, industrial construction, and transmission lines up to 220kV.
With a workforce of approximately 11 to 50 employees, the company serves both domestic and international markets, including Cambodia. Duc Khai is committed to delivering high-quality electrical components and maintenance services, leveraging its partnerships with global manufacturers like Prysmian, Telergon, and DTR to support Vietnam's energy infrastructure and industrial development.