QYD is one of the largest roll/roller manufactuer in the world, it has 200000 square meters manufacturing base, could supply one-stop service to all kinds of rolls.
In glass indusrty, QYD is the biggest annealing lehr roller supplier in the world. It could provide, LOR roller, all kinds of lehr rollers from A zone to F zone, such like steel plain roller, metal ring/donut roller, fiber roller, castellated roller, carbon ring roller, composite ring roller etc.
In metallurgical industry, QYD supplies all kinds of rolls to both hot rolling and cold rolling lines. In hot rolling line, QYD supplies transportation wear-resistant rolls; In cold rolling heat treatment line, QYD rolls used in various of continuous heat treatment lines, like CAL,CGL,CPL etc. The products include steel plain roll, coated roll, water cooling roll, carbon/ceramic sleeve roll and so on.
In petrochemical industry, QYD can procide hydrogen-making reformer tubes used in oil refining and ammonia synthesizing, methanol installation reformer tubes, ethylene cracking furnace and all kinds of castings in furnace.
| Item |
Content |
| Name |
Hearth roll/furnace roll |
| Material |
Heatresistant alloy(HK40/1.4848; 1.4852; 2.4879; more 2), Stainless steel, wear-resistant steel, or customized |
| Process |
centrifugal casting;hot rolled; forged |
| Working Temp. |
room tempt.-1300ºC |
| Specification |
Outside diameter 50-1200mm |
| Applicable Industry |
Metallurgical, glass etc. |
Qingdao Yuanding Group Co., Ltd(hereinafter called QYD). was founded in 1966. it is a comprehensive manufacturing enterprise which was restructured by state-owned enterprises. Headquartered in the Central Business District of Qingdao City. QYD has seveninvestment holding companies and two manufacturing industrial parks in Qingdao which located in Chengyang and Jimo, covering an area of more than 400000 square meters. There are about 1100 employees including 286 engineers and technicians. All the leading products have passed the ISO 9001 and 14001 international system certification. The company has more 300 million RMB of fixed assets, with annual sales reaching 600-700 million RMB.
QYD is a key-legal protection unit and a AAA-level credit enterprise and an advanced collective of building materials industry in Shandong Province, a AAA-level credit enterprise and civilized unit in Qingdao City. Also a winner of the Shandong Quality Management Award.
Audited Supplier 
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