Seng Fat(HK) is a well-established company in China and hong kong based since 1983. It deals with the biggest manufacturing and merchandising companies in chemical fields. We are very pleased to attached our updated quotation for your kind consideration.1)sodium sulphate anhydrous2)phosphoric acid3)soda ash dense&lightWe do hope our products and quotation can meet your requirement. I look forward to establishing a business relationship to your esteem company soon. Should you need have further enquiry, please feel free to contact us.