our company mainly produces carbon steels, alloy steels castings, the products covering auto parts, agricultural parts, engineering accessories, ship accessories and other four series.90% of the products are mainly exported to the United States,, Japan and dozens of countries, We had passed ISO9000-2000 quality certification, and it has very complete and advanced quality testing equipment, including Japanese island PA-5500V spectrometer of the world's top level, 60T almighty screen machine, 150/300J impact test machine, HB-300 goal hardness machine, PFUT-260 all-digital ultrasound instrument, chemical titration analyser and so on. Thanks and best regards!