A product that has been boiled for a long time, the complex skeleton structure is really difficult for a long time, and it is finally produced smoothly, worthy of three days and two nights of sleepless.
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Big Brother, how did you find the reference materials for this structure! I'm a bit like you. I 've read a lot on the internet now, and I don't do much joint rehabilitation
I thought you were from Dr. Ye's company. It turned out that they commissioned you to design it.
If it is mass produced, it is really a great design!
Is it the same author as the following recommendation?