ShanghaiLingdeChemicalTechnologyCo.,Ltd.ahi-techcompanyspecializinginthedevelopment,productionandmarketingof:UltrapureElectronicChemicals(mainlyUltrapureQuaternaryAmmoniumHydroxides),QuaternaryAmmoniumHydroxides,QuaternaryAmmoniumSalts,PhasetransferCatalysts(PTC),Otherfinechemicals.

更新时间：2025-05-30 直链：www.shldchem.com

StarChemicalsandCatalystsCo.,LTD.isanexportorientedinternationaltradingcompany.

更新时间：2025-05-04 直链：www.star-chemicals.com

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更新时间：2025-03-08 直链：pucatalysts.com