... recycling.5. Metallurgy, Mining Industry: aluminum powder, ceruse, copper powder, ore alloy powder, welding rod powder, dioxide manganese, electrolyze copper ... ? A: 7 to 15 days for general series products, meanwhile, batches products & customized products would need 30 days to 60 days based ... . Q: How do you ensure the quality of your products? A: Generally, our equipments are the most durable type ...