From Kingpro's website. They are in Taiwan.
Products list
CD-R Silver/Super Blue
CD-R Silver/Sky Blue
CD-R Silver/Green
Gold CD-R
Audio CD-R
Specifications Material
Substrate Polycarbonate
Recording Layer Phthalocyanine/Cyanine Dye
Reflective Layer Ag alloys/Au alloys
Disc Characteristics
ATER <10% Ave over 10 sec.
Reflectivity >0.65
I3R(m3) Avg 0.3-0.7
I11R(m11) Avg >0.60
Cross Talk <0.50
BLER max 220 counts/sec.
Jiffer <35ns
E32(Cu) 0
Recording/Playback Characteristics
Data Storage Capacity 650MB/700MB
Recording Time 74min/80min
Scanning Velocity 1.20~1.25m/s
Environment Requirements
Recording Temperature °C -5~55°C
Recording Humidity %RH 5%~95%
Playback Temperature °C -40~70°C
Playback Humidity %RH 5%~95%
Link.
At
CDmediaworld
<<
Very Reliable - Obsolete / Not in production anymore >>
A review of an older Kingpro product.
A forum post.