Liaocheng Zeyu Metal Products Co., production and sales of geological tube, geological drill pipe, casing backbone enterprises, by selling more than 30 varieties of various types of pipes for geology, hydrology, coal, geothermal and engineering drilling. The main products include φ42, φ50, φ60, φ68, φ83 geological drill pipe, drill collar; ￠ 71, ￠ 89 wireline coring drill pipe, coupling material; φ73, φ89, φ108, ￠ 114, ￠ 127, φ146, φ168 geology casing, ф91, ф110, ф130, ф150 drill material, ф177.8,244.5,339.7 Shiyou Guang, casing. Now sold geological drilling steel steel grade has DZ40, DZ50, DZ60, R780 geological drill pipe, casing steel grade has J55, K55, N80. At present all kinds of drilling pipe marketing more than 10 domestic provinces, autonomous regions, and exported to Vietnam, Taiwan, Southeast Asia and other regions. Liaocheng Zeyu Metal Products Co., geological tube specifications: 42 * 5/6 / 6.2 50 * 6 / 6.5 60 63.5 * 7.1 * 7.1 / 7.5 73 * 7 * 8 * 89 * 9.19 * 8.56 9.35 101.6 114.3 * 8.56 9.19 127 * Material: D40 (50 Mn) DZ50 (45Mn2), R780 (36Mn2V), R780 (42MnMo7) DZ40 geological drill manufacturers, DZ60 (45MnMoB). Generally 9 m or 9.2 m length, can also be cut to length according to user needs. DZ50 (45Mn2) / R780 (36Mn2V) DZ40 geological drill cheap price, R780 (42MnMo7) using normalizing heat treatment process, with excellent mechanical properties, for a higher level of drilling requirements (mainly for deep trenchless drilling and drill holes). Geological drill pipe, DZ40 geological drill pipe, DZ40 geological drill pipe manufacturers by Zeyu metal. Liaocheng Zeyu Metal Products Co., Ltd. (www.zk55simnmo.com) in hexagonal hollow steel, hexagonal lance, hexagonal drill rod, alloy drill pipe, drill rod mining and other industries have a higher profile, credit management, both quality of service welcome to inquire or consult our "business alliance customer service," it!