• Raw material feeding: Seamless stainless steel tubes and high-purity magnesium oxide powder.

• Automatic coiling & welding: Consistent resistance wire winding for even heat distribution.

• Compaction process: Reducing tube diameter to maximize heat transfer and insulation.

• 100% electrical tests: Leakage current, insulation resistance, and high-voltage breakdown.

• Final packaging: Carton strapping for sea freight.

• Dozens of heating tubes after annealing – bright and oxide-free surface.

• Terminal sealing with high-temperature silicone.

• Measuring flange dimensions with a CMM .

• Loading container – 30,000 pcs ready for Europe.

Key Specifications of This Batch :