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 material hexagonal hollow steel, hollow bolt grouting materials, geological pipe, drill pipe trenches, raw materials and finished opening brazing furnace 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, geological diamond drill, various drill bits, mining tools and other equipment. class production equipment hollow drill steel drill rods, hollow steel strong technical force, our company is located in Shandong to be , there are a hundred years of history of coal production in Zibo, close to 205 National Road Heavy hollow steel drill rod, 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. There are a lot of machinery products all natural products, but why would drill, hob, anti-driller put together and this is called the Three Musketeers, mainly based on the company's brand, "Jianfei," which is the company's three products focus on the production of three product lines, such as anti-driller is now widely used in coal, mining, hydropower, roads, bridges, metallurgical, chemical and so on occasion, in the case of this series of engineering, product quality has also been The company's most important point. These products in many special occasions for different applications, these products have been continuously improving production with, and through a series of quality system to ensure the quality of these three products, hence the attention of the community. These products are in the process of development of the company in the past few years, in technical terms, but also from the mechanical technology strongman ask around in the continuous reform and innovation, drill, hob, anti-driller therefore constantly in progress, to meet in needs of various industries, from raw materials to the factory in this series of steps to ensure strict drill, hob, inverted driller quality products. Through this rigorous quality control, but also to this trio of product quality has been recognized by the community, which also has been pursued by the company's philosophy, which guarantee Jianfei farther and farther. Hydraulic Rod hollow steel | hollow steel | Metal Products Co., Ltd. Zibo Peng Rui provided by Zibo Peng Rui Metal Products Limited. Zibo Peng Rui Metal Products Co., Ltd. (www.zbpengrui.com) strong, credible, Shandong Zibo in 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 Zibo Peng Rui Metal Products Co., and you hand into the brilliant, for a better future!