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ZYSCO mainly operates business in two categories, premium quality special steels for industrial equipment applications and heavy precision forgings. The representative Products are mandrel bars for pipe mills, non-magnetic drilling tools, standard steel drilling tools, metallurgical rollers, tool and die steel, pipe mould for centrifugal casting and etc. Products we supplied win wide awareness within industry domains. ZYSCO ranks the first in retained mandrel bar manufacturing in Asia and is one of the most important suppliers of non-magnetic drill tools in domestic market. The products are widely used in petroleum, metallurgy, shipbuilding, electricity, machinery, and other major equipment manufacturing industries. ZYSCO is the main drilling tools supplier of CNPC and SINOPEC. As a largest retained mandrel producer in Asia, ZYSCO is selected as a major supplier of domestic enterprises such as TPCO, PGG CSST, ANSTEEL, HENGYANG VALIN MPM, BAOGANG STEEL, WSP HOLDINGS LIMITED and etc. Mass of products have been exported to many countries from Europe, America and Asia-Pacific region. The main customers include Argentiana Tenaris Group which is the largest pipe company in the world,  Vallourec& Mannesmann from Germany, Schlumberger, Stemco from Great Britain, TMK from Russia, and Electrosteel from India. In addition, ZYSCO has signed long-term strategic cooperative agreements with Schlumberger, API company from United States, Electrosteel, PCC CSST, Ansteel, Changzhou roller manufacturing company of Baosteel, WSP , which lay the solid foundation for its long future development.