He made the remarks in a meeting with a group of workers on the occasion of Labor Week.
The Supreme Leader said that better economic situation in the country will give the negotiators the power to stand up to the western governments excessive demands over the nuclear program.
The Supreme Leader praised workers to advance national economy and said that the government is expected to contribute to domestic products, the backbone of self-reliance and realization of the resistance economy
Elaborating on the domestic industry, the Supreme Leader cited the progress made in the field of defensive industry, biotechnology, dam construction, and nanotechnology, science-based and nuclear industries and said that the achievements helped drive the sanctions and pressures to deadend.
The Supreme Leader acknowledged the damages inflicted on the national economy by the sanctions about the nuclear dispute, but, he said in the meantime that sanctions were useful to cut the country's reliance on oil revenues.
The Supreme Leader asserted that termination of the sanctions by active negotiations and diplomatic campaign is not enough to bring about prosperity and welfare and such requirements will be achieved by momentous campaign to develop national products.
Supreme Leader encouraged everybody and in particular the government to use domestic goods instead of foreign brands.
Nobody can deny the impact of illegal sanctions on Iranian economy but everybody knows well that sanctions can not prevent success of well-organized national plans to boost the domestic products, the Leader said.
Meanwhile, Ayatollah Khamenei drew attention of the government to go ahead with practical campaign against corruption.
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Tehran, April 29, IRNA - Supreme Leader of the Islamic Revolution Ayatollah Seyyed Ali Khamenei said on Wednesday that the government must focus on domestic economy to bring about prosperity and welfare.