How to check the margin requirements of the exchange?

[Hong Kong Market] The Hong Kong Stock Exchange will update the margin requirements for each Futures on its website time to time, which can be viewed in the download form. The download link is as follows:https://www.hkex.com.hk/chi/market/rm/rm_dcrm/riskdata/margin_hkcc/HKCC_Margin_Levels_Chi.xlsx

[US Market] CME Group will update the margin requirements for each Futures on its website, and investors may log on to the official website to search for the corresponding contract code for review.

[Singapore Market] SGX will update the margin requirements for each Futures on its website. Investors may download the Margin Schedule form from the official website. The link to the page is as follows：https://www.sgx.com/derivatives/risk-management

[Japanese market] JPX will publish the margin requirements for each Futures on its website. Investors may download the Margin Schedule form from the official website. The link to the page is as follows：https://www.jpx.co.jp/jscc/en/cash/futures/marginsystem/span_data.html