主营产品：Technology development, technology transfer, technical consulting, technical services (limited to environmentally friendly new energy technology, waste lubricating oil regeneration technology, and mechanical and electrical supporting technology, valid until May 2017) solar photovoltaic power generation equipment research, sales, installation and technical services.
主营产品：Production and sales of lubricants and cleaning agents; sales of chemical products (excluding dangerous chemicals and precursor chemicals) and purifiers. (Projects that require approval according to law can only be carried out with the approval of relevant departments)
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