Thought this might interest you:
In the field of wind tunnel research, the country with the most advanced wind tunnel technology is currently China. China's JF-22 is currently the most advanced wind tunnel facility in human history.
The JF-22 hypervelocity wind tunnel has a total length of 167 meters, a nozzle outlet of 2.5 meters, an experimental chamber with a diameter of 4 meters, and an experimental airflow speed range of 3-10 KM/S (about Mach 30).
If Pakistan wants to do relevant research, it can easily apply for the use of this facility. However, the energy consumption of the JF-22 is staggering and the cost of using it once is very, very high. I am not sure that Pakistani research organizations have enough funds to pay for its use. ------ China can provide the facility free of charge for Pakistan to use, but the cost of its energy consumption will definitely need to be paid by Pakistan.
According to Chinese media, the JF-22's instantaneous power is as high as 15,000MW, which is equivalent to 75% of the power generated by the world's largest hydroelectric power plant, the Three Gorges Hydroelectric Power Station. This is a very huge expense.
There are other clusters of lower speed wind tunnels in China,They are also the largest wind tunnel complex in the world, and they are located in my city. It would be very easy for Pakistan to use them.
No shortest route is not viable to copy yj 12 E. The suggestion was to start building your own supersonic cruise missle program with testing it phase wise and getting Chinese input on it each development cycle of what we can do better and how to do it. No point getting licensed production yj 12 since we cannot get technology which is ultimately stepping stone in the direction of next hypersonic missile which is even out of question right now other wise pak will be in big trouble in the next decade.
As I said earlier, if Pakistan really builds its own system in the production and development of such missiles, it can try to start with the development and production of basic components first.
The CL-20 series of high explosives are the explosives used in the combat sections of active Chinese missiles. This falls under the chemical industry.
Military high precision gyroscope. There are a lot of countries that can manufacture this, but very few that can get the precision up to a certain level. It can seriously affect the accuracy of missiles, i.e. CEP. missiles made by a certain country in South Asia are often seriously off-target after launch, as a consequence of the lack of precision of this item. Its technical principle is not complicated, but it requires a very, very high level of machining precision.
Of course, there are many other things to master. I won't expand on that.
I too wish Pakistan could manufacture these things independently, but it would take a lot of effort on Pakistan's part. The modern military industry is like assembling a PC. what is the point of building such a production line if all the parts are imported?