SUBSIDIARIES

    Qingdao Yuanding Thermal&Environmental Engineering Co.,Ltd(QYD). Situated in the famous coastal tourist resort---Qingdao. By using centrifugal casting, static castings and precision castings processes, QYD is one of the largest high alloy (stainless&heat resistant steel) casting products supplier in the world.
    In glass industry, we supply LOR and all kinds of annealing lehr rollers(from A zone to F zone). Holding more than 80% Chinese market share and keeping long term cooperation with Saint-Gobain, AGC, NSG, Guardian, KCC, CNUD-EFCO, Fives, CTIEC etc. in oversea market. 
    In steel&metal industry, we supply hearth rolls, radiant tubes, hot rolling transportation rolls and other heat resistant castings used in various kinds of heat treatment furnaces(CAL,CGL,CPL etc.) and heating furnace. We are cooperating FIVES, CMI, SMS, DREVER, Chugai Ro, and most of Chinese steel groups.
    In petrochemical and DRI industry, we supply reformer tubes etc.
    QYD now covers an area of about 100000 square meters and floor space of 30000 square meters, has advanced producing equipment and inspection instruments as well as creative manufacturing technology and running-management system, and also has passed ISO9001-2000 Quality Management System Certification. QYD has 3 manufacturing workshops: Casting Workshop (centrifugal casting, precision casting and static casting), Machining Workshop and Welding Workshop; one Testing Centre and one Technology R&D Centre; with an annual production of about 6000 tons for kinds of high alloy tubes, furnace rolls, radiant tubes as well heat-resistant castings. Its products OD could be from Φ56mm to Φ1500mm and single tube length could be 7000mm. QYD is the “First-Class Supplier” member of China National Petroleum Corporation (CNPC) and excellent supplier of many steel groups and designing institutes. Its products have been exporting to lots of countries, such as Russia, Brazil, India, Japan and some other European and American countries. Through years of technology innovation, QYD has made lots of technological achievements and declared a number of invention patents and utility new type patents.

    Adhering to pragmatic logos, scientific management, strict process control, the enterprise competitive power of QYD is progressing very fast, and it has emerged strong comprehensive power, part of its products come up to advanced world standards. QYD referred and learnt advanced technology and experience of high alloy manufacturing both from home and abroad, cooperated with some colleges and scientific research institutes to innovate technology and R&D products for enhancing the property and service life of heat-resistant alloy products. QYD could produce all kinds of grades alloy products according to Chinese Standard (e.g. GB), American Standard (e.g. ASTM), German Standard (e.g. DIN), Japanese Standard (e.g. JIS) etc.

    QYD will keep pursuing technology progress and devoting itself to petrochemical, metallurgical, building material as well as heat-treatment industry with efficient works and high quality products.