我厂的技术改造和综合利用情况刘玉昆（光明磷化工总厂６５０３００）光明磷化工总厂自１９６５年建厂以来，已发展成年产２１万吨钙镁磷肥的磷化工总厂。先后开发了年产２５００吨黄磷、１万吨磷酸、１．２５万吨磷酸氢钙、２万吨熔成颗粒肥、４万吨水泥、２万吨过磷酸钙... Our factory’s technological transformation and comprehensive utilization Liu Yukun (Guangming Phosphor Chemical Plant 650300) Since its establishment in 1965, Guangming Phosphorus Chemical Plant has grown into a phosphorus chemical plant with an annual output of 210,000 tons of calcium, magnesium and phosphate fertilizers. Has developed an annual output of 2,500 tons of yellow phosphorus, 10,000 tons of phosphoric acid, 125,000 tons of calcium hydrogen phosphate, 20,000 tons of fused granular fertilizer, 40,000 tons of cement, 20,000 tons of superphosphate...