• Apply a “molten metal processing furnace” patent in Japan on September 28, 2001 and in China on September 27, 2002. Application No.: 02143535.9
• In February 2005, the Company applied “a kind of smoke self return heat accumulating type gas burner” utility model patent together with Tongji University. Application No.: 200520039730.9. It has been authorized.
• In February 2006, the Company applied “a kind of heat treatment furnace” utility model patent. Application No.: 200620039473.3. It has been authorized.
• In June 2006, the Company applied “small type continuous energy-saving crucible aluminum alloy melting furnace” utility model patent. Application No.: 200620040630.2. It has been authorized.
• In 2007, the Company applied three utility patents of “heat accumulating type aluminum alloy melting thermal insulation furnace”, “metal surface burning gas thermal insulation furnace” and etc. successively. The application numbers are 200720070888.1, 200720073459.X and 200720073460.2 respectively. They have been authorized.
• In 2008, the Company has applied 2 patents. The “large tonnage aluminum alloy concentrated melting furnace” is invention patent and the “metal melting furnace feeding device” belongs to utility patent. The application numbers are 200810036812.6 and 200820057870.2 respectively.