Nokia ABB Siemens GE the world can do series of complementary capacitor manufacturers only this dead (Chinese Academy of Sciences is also engaged in but to what extent is not too know). And do series complement, is the highest threshold in the field of high-voltage compensation. Therefore, these international brands can be trusted. Overall, as long as it is purely imported capacitors are generally more satisfactory quality. I am afraid that you buy domestic labeling.
Finally, I wish you good luck in your work.