The first and most important among our pre-sales support is, at every stage, providing comprehensive information for you, communicating with you to determine your unique products needs, finally helping you to make the most reasonable purchasing decisions.

For example, when you want to purchase corona rings from Highv, the following information should be clarified before order:
1. Detailed Drawings (CAD/PRO-E/UG/SOLIDWORS software support)
2. Application (High Voltage Bushing, Power Transformer, etc)
3. Material Grade (Aluminum Alloy, Stainless Steel, Copper, etc)
4. Dimensions (Tube Wall Thickness, Outer Diameter, Others)
5. Surface Treatment (Polishing Bright, Blue Color Painting, Galvanized, Coating Insulating Varnish, Anodic Oxidation, etc)
6. Production Type of Corona Ring (Pipe Bending or Pressure Die Casting)
7. Voltage Class (170kV, 230kV, 500kV, 800kV, 1100kV, etc)
8. Packaging Type (Carton Box, Wooden Pallet, Wooden Case)
9. Delivery Time (15-20 Working days After Confirmed The Deposit)
10. Quoted Term (EXW, FCA, FOB, CFR, CIF, DDP, etc)

If you want to buy other products from us or require service support, please don’t hesitate to contact us at any time.