Code is programmed into production line/code can be uploaded and changed to any code you obtain license.
ISMM code is licensed -from Taiwan
All ISMM discs are made on Mitsubishi licensed materials including coat.
Mitsubishi owns and operates Verbatim.
Mitsubishi right now has 45% of whole sale BD-R material market.
RITEK code licensed from -HK (HP and Phillips come from same factory)
It takes time for factory to develop code and get registered with License office.
It takes much more time to get response from all hardware factories to put new code into burner software.
In august 15th TW will release new bd-r 4x series compatible will all LG and Pioneer burners,some on overclock will be able to record 4x as 8x.
White printable are not in retail only in whole sale(pallet).
August 10 TW 2x printable and 4x will be for sale in retail.
Product comes from California and BLUE LINE -(machines) are in Long Beach.
TW also offers DVD R DL printable and non printable.
Both series BD-R and DVD R DL are very good quality.
The only issues are compatibility with some burners if firmware isn’t updated or if burner isn’t listed and clients still order.
There is new description under BD-R 4x on Ebay with is guide how to download and test LG 08 series firmware.
August series of 4x will not have any issues with Pioneer or LG burners.
Fell free to ask any questions