John, no problem at all, you're welcome.
Please let us know then.
It is a real "film community project", and everyone who has experience in film testing can join in. It would be very nice if you and Klaus could add your test results to the final data base!
Completely reasonable and understandable.
Real film factories with own emulsion making and coating need a certain size. I know for sure, as I have visited several film factories

. And even the smallest ones have a size which cannot be "hidden" somewhere.
The existence of e.g. Film Ferrania, ADOX, FilmoTec, Inovisproject can be aesily confirmed by going to these factory locations. And in most cases those companies who are active in production try also to emphasize that and show pictures or videos about the production or the factory. If you don't get any of that it can be a hint that a real own production does not exist.
Well, it is not a 100% evidence, but a hint.......
Looking at the Shanghai homepage there is at least no information about own emulsion making and coating. If they would have it, it would be at least very reasonable to present that in the current market situation.
Best regards,
Henning