About Us With over 20 years of expertise, Longwell New Materials (Qingdao) Co.,Ltd is a leading factory dedicated to R&D and manufacturing Hexamine, Paraformaldehyde, Melamine Moulding Compound (MMC), Urea Moulding Compound (UMC) and Glazing powder.With a massive annual production capacity of 100000 metric tons, 8 advanced automated production lines ,we serve specialized chemical distributors and end-users [...]