At the beginning of this century, when Inner Mongolia North Heavy Industries Group seeked a strategic value of technology from abroad, encountered many setbacks; however, though that company was suffering a setback but then braved. Many decades, North Heavy Industries Group adheres to innovation; constantly breaks the foreign technology blockade, finally to fill a blank in the field of high-end equipment manufacturing in China.

It is indispensable to have large diameter thick-walled seamless steel pipe, nonstandard parts with high-end materials and products such as ultra-high temperature resistance, ultra-high pressure and corrosion resistance, the development of large-scale thermal power, nuclear power and aerospace field, ships and other equipment manufacturing industry. Zhou Zhongcheng, the vice-dean from Specialist Materials Research Institute in North Heavy Industries Group, said: dth drill pipe "In the past, only the United States, Germany and other developed countries to master the technology of the manufacture of these products, our market is mainly dependent on importing products, and the price is extraordinarily high, such as supercritical and ultra-supercritical power station using tubes at the price more than RMB100,000.00/ton."

Before and after Year 2004, North Heavy Industries Group wanted to introduce foreign technology. "Project involving 50 sets of process equipment, German company quoted on the two devices in vertical extruder of 10 billion Yuan, far more than our abilities, another company from U.S.,did not let us into the gate when we examined the factory." HongYan Li, Vice President of North Heavy Industries Group, recalls.

 "We can not let foreigners look down upon us!" BingWang Lei, Vice President of taper drill bit North Heavy Industries Group, said, facing to the blockade of technology abroad, North Heavy Industries Group jointed Tsinghua University and other units, decided to have self-construction. After nearly five years research, in July, 2009, "36,000 tons of ferrous metals vertical extrusion large diameter thick wall seamless steel pipe production line project," A start of this project was officially put our country into a period of breaking the technological monopoly of the developed countries in this filed.

BingWang Lei said, the project included in the national key scientific and technological projects, "36,000 tons items" are put into production only basing on the project in the "Eleventh Five-Year" period. More than three years, North Heavy Industries Group has developed a full set of mold, and the annual production capacity has reached 50,000 Rock Drilling Tool tons.

Before the project putting into production, power station imported the tubes with the delivery period of a year or so, North Heavy Industries Group currently only take three months, the price is reduced to RMB25,000.00/ton to RMB50,000.00/ton, for this item, savings expenditure of billions of dollars for our energy companies every year. In addition, nickel-based high-temperature alloy steel tube is also under developing, in order to meet the requirements power station for the next-generation in China.

Substandard material has constrained the development of aero engine performance for a long-term in China. Last May, North Heavy Industries Group had tested squeezing out high-quality high-temperature powder alloy rods, which is of great significance to enhance the level of aero engine manufacturing in China. Large diameter thick-walled seamless titanium alloy tube, titanium rod, niobium tube, tungsten alloy rod, tungsten alloy swaging rod, molybdenum and other alloying material are used as suitable material for helicopter engine balance shaft, rotor shaft, etc. In recent years, North Heahttp://sparkford.blogtez.com/post14.php

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