Create a site-selection scorecard for a new workshop in Lanzhou (Lanzhou New Area or nearby zones). Return CSV with columns: factor, weight(0–1), site_A, site_B, site_C, score_calc, notes. Factors should include: distance to Yellow River water intake, rail siding access, power capacity (kVA), gas supply, winter heating, dust-storm exposure, workforce access, incentives, permitting lead time. Conclude with a weighted decision summary and 3 risk mitigations.
