1.Are you trading company or manufacturer ?
We are factory located in Jiangsu,we have specialized in various fillers ,air diffuser and other environment protection
equipment,also our company is focusing on researching developing a variety of novel sewage wastewater treatment filler and aeration system .
2.How long is your delivery time?
Generally it will only take about 5-10 days if the goods you need are in stock as we just only need some time to pack the
goods as the customer's request. Otherwise it will cost about 15-20 days to arrange the factory to produce and packing .but also some customer request customization the special size then it will take more time and the specific date will depend on the technology.
3.Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.