求翻译All used materials are AZO-free,

请教哪个高手给我解释一下下面这段话的意思，谢谢！ All used materials are AZO-free, Cadmium-low (below 0.005mg/kg), Formaldehyd-free (below 75mg/kg), Lead-free (below 0.01mg/kg) Nonylphenol-free (below 1000mg/kg), Dimethylfumarat-free (below 0,1 mg/kg). PAH-free and tested to the current CE requirements and European law. CERTIFICATE HAS TO BE PROVIDED UPON REQUEST.