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 materials, geological tube, tunnel drill, blast furnace brazing material opening 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, drill pipe water exploration gas exploration, oil drill, geological diamond drill bits, drill bits of various hollow steel, mining tools and other equipment. first-class production equipment, strong technical force, our company is located in Shandong to land, there are a hundred years of history of coal production in Zibo, tight State Road 205 by a hydraulic drill rod hollow steel, location and convenient transportation. Mature manufacturing processes, advanced production and testing means hollow drill steel drill rod, is a reliable guarantee of product quality, after years of development, the company has products to diversify, series production, and hexagonal hollow steel in the procurement system , 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, high quality and excellence. A large number of experimental and theoretical analysis, the overall performance is ideal 18CrNi3MoV steel: (1) microstructure good shape, surface abrasion resistance than the ideal, the center toughness; (2) the process is simple and stable quality; (3) Field proven: excellent mechanical properties, long life, greatly reducing the gap with foreign (especially Sweden) heavy drill rod; low (4) raw material costs, market potential circular hollow steel, hollow steel, Shandong Peng Rui chisel Rock Ltd. provided by Shandong Peng Rui Technology Limited drilling. 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!