Concrete admixture: free
Time: sample will be send in 2 days after we received the express cost
pack: white HDPE bottle
express: DHL or FEDEX
express cost: by buyer
policy: when the buyer book our materials, the express cost that ever hanppened will be counted as a part of the value.
Policy：every sample will be saved in my company and coded with date,country,name,buyer. they will be well preserved for one year.
We keep retained sample in our stock to trace the variations of large good quality.