Goldix cranks

[Alexbikes]

Anybody have experience with these cranks?
https://www.aliexpress.com/item/1005003642292373.html?spm=a2g0o.productlist.main.2.7de37496vKAj5L&algo_pvid=97323294-3451-48d5-bdb6-4568718082d5&algo_exp_id=97323294-3451-48d5-bdb6-4568718082d5-1&pdp_ext_f=%7B%22order%22%3A%22-1%22%2C%22eval%22%3A%221%22%2C%22fromPage%22%3A%22search%22%7D&pdp_npi=6%40dis%21CAD%21125.56%2185.38%21%21%21627.17%21426.47%21%402101d9ee17596927827711964edda2%2112000026616602880%21sea%21CA%216443832996%21X%211%210%21n_tag%3A-29913%3Bd%3A7cb8302%3Bm03_new_user%3A-29895&curPageLogUid=dEt2B5M1cZ5H&utparam-url=scene%3Asearch%7Cquery_from%3A%7Cx_object_id%3A1005003642292373%7C_p_origin_prod%3A

Real world weight, flex etc?