Circular hollow steel: D32.D38.D45.D51.D60.D70.D81.D92; hexagonal hollow steel: H22.H25.H28.H32.H35; Material: FF710.23CrNi3MoA.35SiMnMoV.55SiMnMo like. Geological pipe: Φ42.Φ50.Φ63.5.Φ73.Φ89 and supporting joint pipe material: R780.DZ50.DZ60.42CrMo etc. Shandong Peng Rui Drilling Technology Co., Ltd. was founded in 1992, is a design, development, production, sales and service as one of professional production companies drilling hollow steel drill rod, the company's main products are: hexagonal hollow steel circular hollow steel, hydraulic drill rod materials, hollow bolt grouting materials, geological tubes, tunnels drill, blast furnace brazing opening raw materials and finished brazing, horizontal spiral drill pipe, drill pipe Teng Ma, Kilometers special drill rig, drill bolt, screw anchor drill pipe, drill pipe ribs, efficient spiral drill pipe, exploring water exploration gas drill pipe, drill pipe hydraulic drill rod hollow steel, geological diamond drill, various drill bits, mining and other tools and equipment used. first-class production equipment, strong technical force, our company is located in Shandong to land Hollow steel, coal production has a century-old Zibo hexagonal hollow steel, close to 205 National Road, location and convenient transportation. Mature manufacturing processes, advanced production and testing tools, is a reliable guarantee of product quality, after years of development, the company has products to diversify, series production, and established a strict procurement system, process control, storage and transportation, etc. scientific system to ensure to provide you with after sales service, new and old customers to return all the support and love. Business philosophy: the first service, the customer first, high quality and excellence. Hydraulic Rock Drill open with solder Hydraulic Rock Drill is more open usage of domestic construction sector drilling machines, drilling used in open pit mines, cement industry, stone market, quarrying, construction and road works field, water conservancy and hydropower project, as well as infrastructure construction site. Currently used mostly for each child to walk, arm drilling mechanism, drilling holes for blasting rock to the next, usually shot hole diameter 64mm-102mm, maximum drilling diameter up to 127mm, mostly in the 15-20m range of drilling depth Use D38mm, D45mm, D51mm rod diameter circular Arbors or MF Rod Rod diameter 64mm-12mm ball tooth bit. Hollow steel hexagonal hollow steel _ _ Drilling Ltd. Shandong Peng Rui Peng Rui provided by Shandong Drilling Technology Limited. Drilling Ltd. Shandong Peng Rui (www.zbpengrui.com) strong, credible, Shandong Zibo metal cutting and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Drilling Ltd. Shandong Peng Rui and you hand into the brilliant, for a better future!