Designed for Purchasing Managers, Technical Directors & Operations Leaders who need reliable pricing without hidden fees. When you source transformers from fragmented suppliers, you often face: According to a 2025 industry survey, 42 %
“Switching to Xinchangda cut our transformer procurement cost by 33 % and the first‑batch passed all quality audits on day 1.” – James Liu, Procurement Manager, MedTech USA
“The OEM design service shaved 2 weeks off our launch schedule – a decisive advantage in the fast‑moving solar market.” – Anna Patel, CTO, GreenVolt Energy
Certificates: CE, UL, FCC, CB, RoHS, ISO 9001, ISO 13485, VDE, GS
We base the price on rated power (kVA), insulation class, efficiency level, and any custom winding or mounting requirements. A transparent cost breakdown is included in every quote.
Can you provide OEM/ODM design without extra tooling cost?
Yes. Our 10 R&D engineers use modular core designs that eliminate new tooling for most standard voltage and size variations.
What are the payment terms for large‑scale orders?
30 % T/T upfront, 70 % against B/L, or L/C at sight. We also accept PayPal for samples (< $5 k) and can arrange escrow for first‑time buyers.
How fast can you ship a custom transformer?
Standard designs ship in 7‑10 days. Custom OEM/ODM units typically require 15‑20 days after design approval, with express air freight available.
Do you offer after‑sales testing and warranty?
All transformers undergo 100 % factory testing (load, insulation, temperature rise). We provide a 24‑month warranty and free replacement for any failure due to manufacturing defects.
Limited‑Time Offer: 5 % Discount on First Order + Free Sample
Secure a risk‑free trial: we’ll ship a 5 kVA sample at no cost, and if it meets your specifications, you’ll receive a 5 % discount on the full purchase.
✅ Free engineering consultation (30 min)
✅ Money‑back guarantee on the sample
✅ Dedicated account manager via WhatsApp, email, or phone
Or call us directly: +86 131 2825 6415 (WhatsApp) | +86 0752‑3388753
What Our Clients Say
Michael Chen, Senior Purchasing Engineer, SolarTech Corp.
“The cost reduction was immediate – 30 % less than our previous Chinese supplier, and the delivery was on schedule. We’ll place recurring orders.”
Laura Martínez, Operations Manager, MedEquip USA
“Xinchangda’s OEM service let us integrate a custom voltage tap without extra tooling cost. The quality passed ISO 13485 audits on day one.”
David Lee, CTO, Industrial Automation Ltd.
“Transparent pricing and a 24‑month warranty gave us confidence. The transformers run 3 % cooler than competitors, saving us energy costs.”
About the Author
Emma Wu – Senior Magnetics Engineer & Global Procurement Consultant
Emma has 12 years of hands‑on experience designing and sourcing power transformers for Fortune 500 manufacturers across North America and Europe. She previously led the R&D department at a leading US transformer OEM before joining Xinchangda as Technical Director in 2022.
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Certificates: CE, UL, FCC, CB, RoHS, ISO 9001, ISO 13485, VDE, GS