Is tube usable with the old transformer and taking out the electronic reactor?
No, it can't be usable with old transformer and must to open circuit the input wire of electric ballast.
OKT mobile phones
Step one: Using a smart phone to install scanning code software, such as "wochacha", "Win on Quick Code” etc.
Step two: Open the scanning code software against the QR code, then you can get an interlinkage.
Step three: open the link, and then enter OKT Mobile Phone Official Website.