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Personne à contacter Ms. Lee
No. 572,Hongqi Street, Shijiazhuang, hebei
SPECIFICATIONS æŒ‡æ ‡ TESTING ITEMS项目 STANDARD æ ‡å‡† SODIUM METABISULPHITE (Na2S2O5) %≥ å«é‡ *5 IRON CONTENT %≤é“å«é‡ 0.**5 WATER INSOLUBLE %≤水ä¸æº¶ç‰© 0.*5 HEAVY METAL(AS PB) %≤ é“…å«é‡ 0.**1 AS %≤ ç · 0.***2
