1. Market research: Learn about local and national precision steel pipe manufacturers and collect their basic information through Internet search, industry exhibitions, business platforms and other channels.
2. Internet query: Search keywords through search engines, such as "precision steel pipe manufacturer" and "precision steel pipe price", to find relevant information and supplier list.
3. Business consultation: communicate with practitioners in related industries, business consulting institutions or related associations to seek their understanding of the precision steel pipe market and recommend manufacturers.
4. Quotation comparison: contact several manufacturers to obtain their product catalogues, specifications and quotations, and make comparative analysis to ensure the manufacturer with higher selective price.