China is not the only one who arm but US and now Russia are selling arm to Pakistan. doesn't seem you guys complain about that and did we complain to Russia that they arm India against us?, all arms you guys got from Russia were more sophisticated than what we got from them. As for NW you better ask Pakistanis friends and don't put the blame on us. And we don't have any problem if you sell missile to Vietnam such Brahmos, subs or warship...if you're able to compete with Russia.
If you want to come to SCS, we don't have problem, it's a fair game that you come to SCS and we go to Indian Ocean. When we go to Indian Ocean, we go alone, we don't need protector nor other nation to gang up against Indian but if you think that by join US to counter us in SCS, you make a big mistake, we can very well return the same favor to you.
You can do Vietnam any favor you want
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