... petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment, aviation, boiler heat, exchanger, gas metallurgy, shipbuilding, construction, etc.Delivery Time30 Dasys after receiving ... :2000 strictly.1. elbow2. seamless elbow3. steel elbow4. pipe elbow5. tube elbow6. 90 degree elbow7. 45 degree elbow8. carbon steel eblw9 ...