The only source of constitutional information on ALL inorganic material systems: above 71.000 element combinations. The world’s largest source of evaluated phase diagrams. New Search is released in September 2017.

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IGroup Asia Pacific Ltd

Info Access & Distribution (HK) Ltd.   
Unit 2003A, 20/F., Causeway Bay Plaza I,
489 Hennessy Road,
Causeway Bay, Hong Kong.   
Phone: (852) 2572 7228   
Fax: (852) 2575 8822   
Contact person: Walter Chow   
E-mail: walterigroupnetcom   
Skype: hkwalter