What is the death penalty for Shanghai poisoning case in Lin Senhao?

Lin Senhao executed lethal injection in Shanghai poisoning case.

By 20 15, 55 countries in the world had executed the death penalty, mainly by shooting, hanging, beheading, electrocution, poison gas, stoning and injection. China is the second country in the world to formally adopt the death penalty by injecting drugs after the United States. Injection of death penalty, or injection of poison or lethal agent, is the process of making the injected object die instantly by injecting enough lethal drugs (usually barbiturates, muscle relaxants and potassium solutions). It is mainly used to execute the death penalty, but it may also be used for euthanasia and suicide. It usually causes the injected person to lose consciousness first, and then stops breathing and heartbeat.