Call option: the underlying futures code-month -C- exercise price;
Put option: base futures code-month -P- strike price.
SR 1709C6300 stands for: sugar call option contract with SR 1709 futures as the target and exercise price of 6300 yuan/ton.
M 17 1 1 p3000 stands for soybean meal put option contract, the subject matter is m171futures, and the exercise price is 3000 yuan/ton.
Specifically, you can check the trading app on the official WeChat account in Yun Qi, and there are codes in that app.