Sinupower, a leading China-based supplier of Lightweight Aluminium Material D-Type Condenser Header Pipes, delivers D-shaped aluminium headers with 40% weight reduction vs. copper, 500+ hrs salt spray resistance, and 3–5% system COP improvement. IATF16949 & ISO9001 certified with 33 patents. Trusted by Sanhua and Danfoss. Request samples or technical consultation today.