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Shanghai Lingde Chemical Technology Co.,Ltd. a hi-tech company specializing in the development, production and marketing of :
▼Ultrapure Electronic Chemicals (mainly Ultrapure Quaternary Ammonium Hydroxides )
▼Quaternary Ammonium Hydroxides
▼Quaternary Ammonium Salts
▼Phase transfer Catalysts(PTC)
▼Pyromellitic Acid (PMA)
▼Pyromellitic dianhydride (PMDA) ▼Other fine chemicals |
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