Seller ZyCatherine

dear purchase manager, nice time to you . i'm catherine from sure chemical .very nice to write this email to you .we are professional supplier of concrete admixtures in china ,our main product is poly carboxylate superplasticizer ,sodium naphthalene formaldehyde,sulfonated melamine-formaldehyde resin superplasticizer and so on. we sincerely to cooperate with your company. if you are interested in it ,pls contact me with freely. rgds/catherine