The trading system can be built completely according to your own ideas, or it can be built on the basis of existing technical indicators.

Generally, a scripting language is used, such as Tradestation (not supported) Domestic futures) EasyLanguage,

Multicharts (compatible with EasyLanguage) has already entered China, you can give priority to domestic software, followed by domestic software

TradeBlazer (imitation of Tradestation).