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 the professional manufacturer, the company's main products are: hexagonal hollow steel circular hollow steel, hydraulic drill rod materials, hollow bolt grouting material hollow steel drill rod drilling, 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 and other geological diamond drill, various drill bits, mining tools and equipment first-class production equipment, strong technical force, our company is located in Shandong to land, there are a hundred years of coal production history of Zibo, close to 205 National Road hollow steel, location and convenient transportation. Mature manufacturing processes, advanced production and testing tools, is a reliable guarantee of product quality, after years of development of heavy steel hollow drill rod, the company's products have achieved diversification, series production and procurement systems, process control, storage and transportation and other aspects of the establishment of a strict 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 rock drill rod, high quality and excellence. The company's products are of international standards (ISO standard) design, manufacturing, product quality Habitat leading domestic level, leading product quality to meet international advanced level. The company has always focused on the scientific enterprise, standardization and institutionalization of management, in 2008 passed the ISO9001: 2008 quality system certification standards, effectively ensure the sustained and stable product quality. In addition, in the production process, we have adopted advanced production equipment and production technology, high-quality raw materials to ensure good quality of our products consistently. After years of unremitting efforts, we have the ability to independently design and development of new products, the formation of a strict quality control system and perfect after-sales service, which allows us to effectively reduce the potential for defective products and our service quality and customer Satisfaction great upgrade. We will continue to collect end-user adoption of practical usage and feedback on products, timely improved to enhance the company's R & D capability. Mai circular hollow steel, 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!