Blast Tuyere/Copper Tuyere Features: 1. Wide Scope for choose--- Single-cavity Tuyere, Double-cavity Tuyere, Three-cavity Tuyere, Baffled Tuyere, . etc 2. High purvity of Copper Content--- Made of Copper of CU≥ 99.5%, which increase the electric conductivity and assure the life-span of the Tuyere. 3. Approved Welding Technology--- Matured welding technology gurantee the high performance and quality of the Tuyere. 4. X-ray Test good quality. 5. Tailor-made to your requirements