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Q1: Could you tell me your company payment term? General 100% T/T in advance ,30% T/T in advance ,70% payment against copy of Bill of Loading . Q2 :What kind of factory are we? We are experts in production water treatment for more than 12 years. Q3: Can you provide free samples? We can provide you a ceratin amount of samples,please contcacty us directly. but the client needs to pay for the freight. Q4: How can I get the price of product? Please give us the exact product specifications requirement， quantity,packing,destination port and other necessary information,we will give you quotation according to your specific requirments. Q5: I am not sure which product is appropriate to my industry,what should i do? We can give you suggestion base on your industry，we have 12 years experience in wastewater treatment，we can assure you will find the most professionals service with us. Q6: What about the shipping methods? 1. For urgent order and small quantity for samples, you can choose the express by DHL, UPS and so on; 2. For large quantity, you can choose to deliver the goods by sea，air，and land transport