SMM July 18: today's domestic mainstream quotation for reduced lead in 14550 to 14700 yuan / ton. Shanghai lead rush fell back, the surge of funds led to lead prices break through the upper limit of the box range, and scale refineries strictly control the purchase price of waste batteries, waste battery prices have not yet appeared a large area to follow up performance; reduced lead market supply is still tight, but profit margins have emerged, if the price of waste batteries continues to fluctuate, and lead prices maintain the current strong momentum, the material next week to restore lead supply or recovery.