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Working hours: Monday–Friday, China Standard Time (UTC+8). Engineering replies to written inquiries with ratings and documents first.

What helps the review

  • Rated power and voltage ratio
  • Frequency, phases and vector group
  • Impedance, tapping and loss requirements
  • Installation environment and altitude
  • Applicable standards and test scope
  • Single-line diagram or technical specification

Not sure what to include? Read what a quotation needs.