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Contact SupplierWe are offering sodium naphthalene sulphonate formaldehyde is ideal for use in prestress, precast, bridge deck or any concrete where it is desired to keep the watercement ratio to a minimum and still achieve the degree of workability ecessary to provide easy placement and consolidation.
contact:
vicky
Mobile: 0086-18162818098 (what's app is ok)
wechat: Lignosulphonate
skype: missorange29
email: yongchemical@yahoo.com
website:www.yongchemical.com