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Sanhe OuBao Machinery Manufacturing Co., Ltd. is located in Sanhe City, Langfang City, Hebei Province, with superior geographical location and convenient transportation. It is a manufacturer specializing in the design, development, production and sales of screw drill, screw drill pipe, Larsen steel sheet pile hole guiding equipment, tree digging machine, screw blade and various railway maintenance equipment.The company has all kinds of technical personnel and advanced scientific research and production equipment, with strong technical development and production and manufacturing capacity; There are marketing department, technology department, production department and machining workshop. The enterprise includes more than 50 professional engineers, technicians and technicians. The screw drill and hole leading drill produced by our company have the technical characteristics of high efficiency, high speed, large torque, low noise and high perpendicularity. The hole diameter is 100-2000mm and the hole depth is 0-20M. The products are exported to Vietnam, South Korea, Africa and other countries and 30 provinces, cities and autonomous regions in China.                                                 /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1