Speaker Ring low price and thin margin
China has become the largest producer of ring magnets in the world.
*China produced about 123,000 ton of speaker ring magnets in 2001.
China can meet almost all reasonable quality requirements of ring magnets
*magnetic properties
*Cosmetics
*Dimensions
Price drop has never stopped at the bottom predicted from time to time.since mid 2000.
For big rings(OD over 100mm) about 30% less
For small rings even over 5% less
The effect of the thin margin
Less input into quality improvement
Less requirements on ?luxury?quality
*many applications do not really need ?high quality?/p>
*Acceptance threshold has been lowered quietly
?Chicken rib?won?t have promising future