V-Ray versions are lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR ( GGX ), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - whichever suits you best"

For Corona render, it is recommended to install a version of at least 1.5, since the glossiness of materials is configured with PBR in mind.

link:
https://www.aliexpress.us/item/3256808667460570.html?spm=a2g0o.imagesearchproductlist.main.29.12a2HwUkHwUkF7&algo_pvid=a1edebeb-cd33-40f3-9ff0-d877e5045ecf&algo_exp_id=a1edebeb-cd33-40f3-9ff0-d877e5045ecf&pdp_ext_f=%7B%22order%22%3A%22-1%22%7D&pdp_npi=6%40dis%21USD%21153.89%2192.33%21%21%211100.00%21660.00%2  1%40216661c117560092863012626ea93f%2112000046953528751%21sea%21US%210%21ABX%2 11%210%21n_tag%3A-29910%3Bd%3A8efa5e6%3Bm03_new_user%3A-29895&curPageLogUid=7e 4tC1aAYILV&utparam-url=scene%3Aimage_search%7Cquery_from%3Apc_web_image_search%7Cx_object_id%3A1005008853775322%7C_p_origin_prod%3A&gatewayAdapt=4itemAdapt