... %, 2.0%, 3.0% or 4.0% max at request of customerCarbon (C): 0.1% maxSulphur (S): 0.01% maxCopper (Cu ... .W. : 1003 KG 21 -- 27MT in 1X20’FCLPlants & Capacity1. Songming Phosphorus Chemical Co., Ltd. 3,500MT/Year by 4 furnaces2. Xundian ... . Luliang Phosphorus Chemical Co., Ltd. 2,400MT/Year by 4 furnaces4. Luoping Phosphorus Chemical Co., Ltd. 1,600MT/Year by 2 furnaces Ferro Phosphorus