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The overseas quite famous several big companies use great tonnage both sides to go against the press synthesis artificial diamond. The housing is big using the space, the single output is high, the high grade diamond occupies the proportion are many, may achieve about 50%~60%. These big Manufacturer has Britain's ElementSix Corporation, US's DiamondInnovation and South Korea's ILJin Corporation. 

    1. British ElementSix Corporation 

    Now in the world the most famous diamond production operation enterprise, has over a hundred year history, manages the diamond (including natural and artificial) is celebrated worldwide, in Ireland, South Africa, Sweden, Germany is equipped with the production artificial diamond the factory. At present goes against take large-scale both sides as the main production equipment, estimated that the annual production may reach 200,000,000 carats artificial diamonds. Generally has 1~2 varieties to be published every year, at present artificial diamond varied assortment. The artificial diamond probably has 44 trademarks. 

    The ElementSix Corporation artificial diamond mainly has: Low intensity RDA series, from the sharp good CDV series, medium intensity MDA series, high strength SDA standard series, SDAPlus series, SBD series, economical suitable SDA “D*p-1X series and PremaDia series, in addition has the DSN series. In addition this company also produces the artificial diamond fine powder series two big trademarks and the big unit crystal series 4 trademarks. 

    Its man-made crystal combination diamond (PCD) the product mainly has: The Syndite diamond compound piece, the SynditePlus diamond compound piece, the Syndie diamond wiredrawing mold semifinished materials, SyndieTSN, the SyndieMaxidise diamond wiredrawing mold semifinished materials, the Syndrill diamond compound piece, the Syndax polytropism diamond semifinished materials and so on, are aim at the different use development separately. 

    2. US's DiamondInnovation Corporation 

    Has above hundred years the historical big company, universally accepted uses the artificial method to synthesize the artificial diamond for the first time the company. At present DiamondInnovation Corporation yearly produces the estimate artificial diamond to be possible to amount to 200,000,000 carats. 

    The DiamondInnovation Corporation's artificial diamond variety has 4 series: The MSD product which the low intensity RVG series, the medium intensity's MDG series, the high strength MBS series, the grinding special-purpose CSG series, galvanizes the tool to use the EBG series which and the EP100 trimming tool uses, MBS-900 is the high strength artificial diamond series which the 1990s was published. 

    The polytropism product has the Compax diamond trimming tool, the Compax diamond wiredrawing mold semifinished materials, the Compax diamond cutting tool material, the Fomset diamond trimming tool, the Geoset carbon bit semifinished materials, the Stratapax carbon bit semifinished materials. 

    3. South Korea's ILJin Corporation 

    Built in 1988 ILJin Corporation, in short 12 year, advanced into rapidly in the world advanced ranks, let the person say truly. This company builds up depending on the introduction technology and the equipment, recently several years have annexed the South Korean before several ultra hard material company, make the scale to expand rapidly, estimated that at present should have 6000 ~ 80,000,000 carat productivities, the major installation is introduction 5000T and 6000T both sides goes against the press. The artificial diamond unit crystal product mainly has the ISD-1000, IMD, IRD three series, is corresponding the high, middle and low third gear product, moreover also has own polytropism serial products.