Urea Formaldehyde Resin, Melamine Powder, Bakelite Powder manufacturer / supplier in China, offering Professional Export Technical Automotive Grade N46 Fertilizer Urea Low Biuret Prilled Urea, Industrial Grade Automotive Urea 46% Nitrogen Fertilizer Prill Urea in Bag, Agriculture Grade White Granular Nitrogen Fertilizer 46% Urea Prilled 46-0-0 Carbamide Type and so on.