Anyang Huatuo Metallurgy Co., Ltd, based in China, lists a range of metallurgical and chemical products on Global Trade Plaza. These include silicon metal grades such as 553, 441, and 1101 in sizes of 10-100mm, pyrite FeS2 sulfur additives with 45% or 30% sulfur content, carbon additives like PCI powder and graphite briquettes, green and black silicon carbide in high purity with SiC contents ranging from 65% to 98.5%, graphite petroleum coke as a carbon additive, and ferro silicon for steelmaking or casting in grades such as FeSi 75, 72, 70, and 65. The company notes that it lists 1992 as its year of establishment. Buyers can send an enquiry through Global Trade Plaza.