Rolling Equipment Seamless Tube Plants Assel Mill Hot Rolling Line

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This system is a cross rolling system which is suitable for the production of medium- and thick-walled precision tubes. It is capable of producing various alloy tubes, bearing steel and carbon steel tubes. Our modern Assel mill system is equipped with a state-of-the-art hydraulic opening unit to eliminate tail triangles and improve the material yield.

A number of improvements in the structure of the machine reduce the time for changing the specification of products so that it is easy for customers to organize the production of small batch orders with multiple specifications. Product quality is improved further by means of retaining mandrel bar technology. Over the past several years, TYHI has supplied Φ159mm, Φ273mm, and Φ325mm Assel mill hot rolling lines since it designed and manufactured the first set of Φ159mm Assel mill hot rolling line in China in 2003, for which we gained intellectual property rights

Our main products include lifting equipment, forging equipment, rolling equipment, excavation equipment, coke oven equipment, coal chemical equipment, wind power generating equipment, oil film bearings for rolling mills, gear drive equipment, train wheels and axles, forgings and castings and project contracting.


Our key products include our 1200t EOT crane, our 500t ladle crane, our 75m³ shovel for mining, our Φ180mm continuous rolling production line, our 110 MN aluminum alloy extrusion press and our 7m top charging coke oven equipment. 


TYHI’s products are widely used in the metallurgical, mining, energy, transportation, aerospace, chemical, rail, ship building, environmental protection and various other industries. Many products designed and manufactured by TYHI have filled gaps in the domestic market. Furthermore, we have created 360 nationally and internationally recognized products which have been exported to approximately forty countries and regions.


TYHI is now delving further into the development of the rail, engineering machinery, new energy, and maritime equipment fields. We have established a new production base in the Binhai New Area of Tianjin to facilitate the transportation and export of large-sized equipment. Our second wheel production line is currently under construction. We have also established production lines for wheels, axles and wheel sets for use at speeds above 200 km/h.


We are now turning our focus to international markets which we are certain can benefit from our high quality products and service. As we are constantly innovating and improving, we have no doubt that we will meet and even exceed our customers’ expectations.



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