With china as a world-factory, It’s rather tough to find non china-made items these days, be it appliances, furnishing or in this case, light bulbs. Importantly, it’s whether these china-made items are made to specification in accordance with their brand’s own QC. While Powerpac might be an aussie brand, it could be manufactured in china. Likewise for osram, philips or other brands.
And for info, I got osram bulbs for all my lights ïŠ