Young Nam Metal is a proud manufacturer of the highest quality steel pipe coupling(pipe coupling) products. Since 1986, our company has sold steel pipe coupling(pipe coupling) products in a variety of industries, including shipbuilding, civil and for other industrial projects. Young Nam has demonstrated continous efforts in R&D and product quality improvement. Today, our steel pipe coupling(pipe coupling) products are differentiated by simple installation and reduced space, time and cost factors. Through major research collaborations, Young Nam is driven to never-ending innovation and product development to produce the world's highest quality steel pipe coupling(pipe coupling). Visit our website for more information! http://www.yncoupling.com/html_en/main.html