I will say thats the usual assumption regards chinese parts... however, i did discover a few years back that it was possible to buy everything you needed for a Skyline direcr from China and it was the exact same parts the UK dealers were selling here for more than three, sometimes five times the cost !
I have messaged my mate who used to import it all but he is in Canada at present in the mountains training so may be a while before i get any responce. But he worked out through his chinese gf where to buy quality and where to avoid the real chinese crap stuff :-)
Not saying all Chinese stuff is tat, just most including the coil overs that you are considering.
I know what you mean and very possibly spot on ..
Basically i have some new Kranze alloys so what i have decided is to get arches rolled and get them on the car..step back and take a look at how it sits then. I may just get some springs and lower the car a little rather than buy coilovers.. im ot going to track the car and i live in the countryside so the B roads are unforgiving on a hard ride lol
Im just warey of having the bigger/wider alloys on the car and the stock suspension not keeping them from hitting inner arches.. Im new to Zed ownership and on the learning curve :-)