North Wanxing Ltd. specialized in producing Hindered Amine Light Stabilizers and Triacetoneamine Derivatives.=================================================================Light Stabilizers (HALS):770, 622, 944, 783, 791, 292, 3853S, 3853PP, 123, 144UV Absorbers (Benzophenone, Benzotriazole, Triazin, Nickel):531, 234, 326, 327, 328, 329, 320, 360, P, 1164, 1084, 1130, 384-2Antioxidants (Phosphite, Phenolic, Blends):168, 626, 1010, 1076, 3114, 1098, B 215, B 225Triacetoneamine Derivatives:Triacetoneamine (TAA), Triacetonediamine (TAD), 2,2,6,6-Tetramethyl-4-Piperidinol (TMP)4-Hydroxy-TEMPO (701)=================================================================