随着国内废钢资源及价格的竞争日趋激烈，许多回收公司纷纷从北方和南方边境地区向邻国收购废钢铁。然而，边贸废钢虽说价格低于国内废钢，但废钢中混有废武器的情况不容忽视。因为这些国家在七八十年代因战争和战备扩大，留下了大量的废旧武器．包括炸弹、炮弹、手雷、炸药、 With the increasingly fierce competition in domestic scrap resources and prices, many recycling companies have purchased scrap steel from neighboring countries from the northern and southern border regions. However, although the price of border trade scrap is lower than that of domestic scrap, the use of scrap weapons in scrap cannot be ignored. Because these countries expanded in the 1970s and 1980s due to war and combat readiness, they left a large amount of used weapons. Including bombs, artillery shells, grenade, explosives,