Dahe Daily Yu video reporter Zhang Tengfei First-tier brands prefer core business districts, and office buildings have become the mainstream demand in the market First-tier brands prefer core business districts, and office buildings have become the mainstream demand in the market First-tier brands prefer core business districts, and office buildings have become the mainstream demand in the market First-tier brands prefer core business districts, and office buildings have become the mainstream demand in the market First-tier brands prefer core business districts, and office buildings have become the mainstream demand in the market First-tier brands prefer core business districts, and office buildings have become the mainstream demand in the market First-tier brands prefer core business districts, and office buildings have become the mainstream demand in the market First-tier brands prefer core business districts, and office buildings have become the mainstream demand in the market Source: Dahe Daily Yu Video Editor: Zhang Tengfei