Tender for the supply of composite insulators for several separate items: 1. Supply of composite post insulators 20 kV for outdoor installation - 1400 pcs; 2. Supply of power composite insulators 20 kV for outdoor installation - 18,000 pcs; 3. Delivery of composite suspension insulators of the "pestle ear" type - 17,000 pcs; type "earring-earring" - 5000 pcs. Marginal cost (without VAT): 736 thousand bulgs. BGN (449 thousand USD)