冶金部安全技术研究所和福建省峰林机器厂共同研制的G-1型高精度毫秒电雷管(1～20段),于1985年6月1日由冶金部主持通过技术鉴定。参加会议的有冶金、有色、水电、国防等21个单位的29名代表。会议认为,该产品具有结构合理简单,原材料来源广,成本较低(比国内外同类产品低 Metallurgical Institute of Safety Technology and Fujian Fenglin Machinery Factory jointly developed G-1 type high-precision millisecond electric detonator (1 to 20), on June 1, 1985 presided over by the Ministry of Metallurgical Technology identified. Attending the meeting were 29 delegates from 21 units, including metallurgy, tinting, hydropower and national defense. The meeting held that the product has a reasonable structure and simple, wide source of raw materials, lower cost (lower than similar products at home and abroad