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About Us

Patent Rights

Charng Chyi holding spirit of invention and creation has acquired patent rights as follows:
  1. Utility Model Patents No. M303361     Metal furnace construction’s improvement
  2. Utility Model Patents No. M285689     Clean aluminum melt device
  3. Utility Model Patents No. M285689     Improvement of aluminum alloy melt furnace construction
  4. Design Patents No. 160821               The flux for steelmaking
  5. Utility Model Patents No. 123057       Continued aluminum casting machine.
  6. Utility Model Patents No. M320921    Classification of different metal system
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