Raw Oyster Shell ( Jenny 00841203970669 whatsapp)

Oyster shells can supplant limestone as a source of calcium carbonate, which is a common ingredient in cement and can be used to treat wastewater.

Jenny (Ms) 

Email: jenny(dot)vietdelta(at)gmail(dot)com

Skype: yennhi3995

whatsApp, Viber +84 1 203970669

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VIET DELTA CORPORATION  

20/5 Dinh Bo Linh Str, Ward 24, Binh Thanh Dist, HCMc., Vietnam  

Tel: (84) 835 119 893  / Fax: (84) 835.119.559