anyone help me Cooperation with usa group website

hi. all guy. i have a website sell custom gift. my website rank in google Fourth first page now
early my web rank Second。 recently ,my Competitors built some backlink with usa group website.
and they web rank seceed mine.

anyone know well the usa group website and help me creat the page on groupweb and sametime built the backlinks.
i can provided the group web list.

anyone can help me

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try the link building BST.

btw: whats your native language?