Viet Sinh Mechanical Technology Co., LTD is a professional manufacturer, located in Hanoi, established in 2008. It is engaged in the research, development, production, sale and service of various type of Kelly Bar on rotary drilling rig, and sale any accessories of rotary rig, and exports to Asia countries, such as: Japan, Indonesia, Singapore,…Our company enjoys convenient transportation access. Covering an area of 6000m2, our factory is equipped with high-tech complete production lines and operates under strict QC guideline to guarantee high quality products at competitive prices.We have 10 years of experience to manufacture drill interlock and friction kelly bar and drill rig and have a good reputation in this field. During the development, we attached special importance to collaborate with the famous firms in the world such as Brevini, Rexroth and Nippon Sharyo to transfer technology to manufacture the best products with outstanding quality and competitive prices. Our products have won praise from customers worldwide.Thus, we always insist on the spririt of “Customers’satisfaction is our first priority”, offering the customer with the high quality products, attractive price and the perfect after-sale service.We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.