Royal Electronic Factory (Thailand) Co.,Ltd. There are several resistor manufacturers in the market, thus choosing a Reliable partner is a challenge. ROYALOHM has more than 30 yrs. of resistor manufacturing and distribution experience. Its adaptability to the changing times contributes to its continuous growth. Competitive Pricing - Best deal in Quality Resistors. Strategic Locations - Worldwide partners to provide immediate support. Worldwide Product Acceptability - Reputable companies preferred choice. Customized Designs - Experienced Engineers support to special applications. OEM Capability - Your Brand, Our Quality. Trustworthy - Reliable and Dependable partner. Copyright 2009 Royal Electronic Factory (Thailand) Co.,Ltd. All rights reserved.