SAMJIN Machinery Co., a leading Korean manufacturer specializing in foundation equipment for the construction field, having 40 years of industry expertise experiences. Our core products are designed for large drilling diameters, with a particular focus on sizes ranging especially from 1 meter to 3.3 meters, include: Reverse Circulation Drilling (R.C.D.) Machine, Casing Oscillator, Casing Rotator, Hammer Grab, Power Pack, Casing & Casing Joint, Grout Station. For a comprehensive overview of SAMJIN Machinery, please feel free to explore our YouTube channel at www.youtube.com/@samjinmachinery. You will find the introduction video of SAMJIN Machinery and RCD machine. Over the past four decades, we have garnered positive acclaim from both domestic and international clients, especially in East Asia and Brazil with a robust market presence in Hong Kong.