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.
QYD has supplied more than 30 silicon steel heat treatment lines all around the world, products include entrance/exit seal rolls, water cooling roller, steel plain roller, chrome plating roller,carbon sleeve roller, ceramic sleeve roller and also radiant tubes with both W type and U type.
| 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(Known as 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 seven investment holding companies and two manufacturing industrial parks in Qingdao which located in Chengyang and Jimo, covering an area of more than 400000square meter. There are about 1100 employees including 286 engineers and technicians. All the leading products have passed the ISO 9001:2000 international quality 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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