BTB Holding is a Singapore-based company listing aluminum ingots, aluminum coils, tin ingots and zinc ingots on Global Trade Plaza. Aluminum coils are available in alloys 6063 and 5754, with thicknesses from 0.4 mm to 300 mm and widths from 500 mm to 2,800 mm, including 0.1 mm mirror-finish options. Tin ingots are supplied at 99.99% purity under brands such as Banka, Kundur, Mentok and Imli, with grades including tinpb300, tinpb200, tinpb100, tinpb050 and tin4nine. Zinc ingots are offered at 99.995% purity with chemical specifications provided on a soft corporate offer. Buyers can send an enquiry through Global Trade Plaza.