The "height growth injections" are actually recombinant human growth hormone (rhGH), which are produced using recombinant DNA technology.

In China, the treatments are available in three forms: powdered injections, liquid injections, and long-acting formulas. The cost of growth hormone powder injections for one year is 20,000 to 30,000 yuan ($2,750-$4,120), while liquid injections cost 50,000 to 60,000 yuan. For long-acting formulas, the annual cost can be as high as 150,000 yuan.

In 2019, the average annual cost of growth hormone treatment in China was 42,700 yuan, according to the 2021 China Growth Hormone Market Research Report.

The effectiveness of growth hormone injections varies from individual to individual, and generally requires 2 to 5 years of injections.