First of all, the Board of Directors of Research and Industry Manufacturing Joint Stock Company (RIM.,JSC) would like to express sincere thanks to our customers and partners who have supported us during the past years. Established in 2006, RIM.,JSC has an electrical equipment factory with an area of 12,000 square meters in Dong Van Industrial Park, Ha Nam Province with synchronously equipped machines and with hundreds of staffs, engineers and professional workers who are full capable of designing, engineering, manufacturing or processing variety of electrical, electronic and engineering products; Operating office system in Hanoi and hundreds of agents, distributors of Ruler and Comfos products nationwide, worldwide. Our manufacture and business system has been assessed and certified by DAS Certification Organization – a UK’s leading international certification organization – for meeting the ISO 9001: 2015 standards.

We currently owns 2 brands RULER and COMFOS, registered for exclusive protection at the Department of Industrial Property of Vietnam. Ruler and Comfos branded products such as stabilizers, transformers, Led lighting, welding machines … appeared on the market for years, highly appreciated by domestic and foreign consumers, always dominating the competition in terms of price, quality and service. We are committed to always try our best in providing the best products and services, maintaining the belief that our customers have given us over the past years. “Brand is built by fully meeting the customer’s