Different Bulbs in Zigong Lantern Industry (III)
Third, from the perspective of procurement cost, the cost of special lantern waterproof bulbs and lantern waterproof bulbs used in Zigong lantern industry is far from that of ordinary LED bulbs. The price of an ordinary LED bulb in the world is about 5 yuan, plus a spiral lamp head of 2 yuan, plus a 2.5 square aluminum core wire, the cost of at least one of the whole set is about 9 yuan, compared with Zigong lanterns. Industry-specific waterproof bulbs are at least 3 times more expensive to purchase.
