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DVD-R DVD+R

Taiyo Yuden Co,.ltd.

MITSUBISHI/Verbatim

Hitachi maxell

TDK Corp.

RICOH Co,.ltd

Intermedia.

KITANO AMC

RiTEK Corp.

CMC Magnetics Corp.

Optodisc Tech Corp.

Princo Corp.

Thaimedia Inc.

MoserBear India.