Liaocheng Zeyu Metal Products Co., geological drill suitable geology, hydrology, coal, geothermal, engineering drilling. The main products include Φ42, Φ50, Φ60, Φ63.5 geological drill pipe. Geological drilling seamless main technical indicators strict implementation of international standards. Sales (inventory) of drilling pipe from the get JSO9002 quality system certification in China Anshan Steel, Bao Steel, Hengyang Steel, Bao Steel, Daye five famous steel mills. Geological drilling pipe size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certification have strict regulations. The company's geological drilling seamless steel pipe used in all of the original factory logo, the user presses the contract grade (grades) delivery DZ50 geological tube, pipe marking and quality certification of steel grade (grade) said. Now on sale geological drilling pipe steel grade has DZ40, DZ50, DZ60, R780 Liaocheng Zeyu Metal Products Co., Ltd. can provide a variety of drill pipe, mainly in line with API SPEC 5DP drill pipe and meets the API standards SY oil drill pipe. Drill according to customer requirements, with the same level of drill pipe joint geological casing, drill pipe joints and to comply with manufacturing standards API SPEC 7-1. Advanced friction welded drill pipe production line welding parameters can be adjusted to best position DZ40 geological drilling casing to ensure the quality of the welding zone; inside and outside at the same time cooling the heat treatment process, the mechanical properties of a more uniform and stable. Equipped with automatic length measuring weighing DZ40 geological casing, automatic spray standard recording applications, to ensure product traceability. Advanced drill thickening and heat treatment production line. Using 1250T upsetting machine to ensure the pipe end dimensions meet API SPEC 5DP thickened standards; using CNC tube full length furnace, hardening machine, stove advanced heat treatment technology and precise temperature control to ensure that the mechanical properties of the tube. Than the straight tube hydraulic machine to ensure straightness and concentricity of pipe tube body. Geological casing _ Geological Geological casing _DZ40 provided by Zeyu metal casing. Liaocheng Zeyu Metal Products Co., Ltd. (www.zk55simnmo.com) in hexagonal hollow steel, hexagonal lance, hexagonal drill rod, alloy drill pipe, drill rod mining industry has high visibility, integrity management, quality of service both welcome to inquire or consult our "Business League call" it!