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Specialists in underwater built-in speakers and sound systems for all pools, luxury yachts and marine research. Also drop-in speakers for marine diving, underwater diving and defence with a high level of sound quality & clarity; systems work both in...
Since 1975, Valley Design has been a leader in precision materials processing, providing lapping, polishing, dicing, and CNC machining services. Valley manufactures substrates, wafers, shims and spacers and other flat optical components.