Q: Are you trading company or manufacturer ? A: We are factory Located In Tianjin, China. Q: What's your product range? A: We produce Butterfly valve, Gate valve, Check valve, Y strainer ,Water Controlling Valve and other Pipe Accessories . Q: What's Execution Standard? A: ISO/ANSI/DIN/JIS/ EN/GOST/AS standard. Q: What's your Strong product ? A: Centre Line Butterfly valve, Eccentric Butterfly valve ,Resilient Seat Gate valve, and largest size to DN3200 . Q: How long is your delivery time? A: Generally it is 10 days if the goods are in stock. or it is 35 days if the goods are not in stock, it is according to quantity. Q: 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. Q: What is your terms of payment ? A: Payment<=10000USD, 100% in advance. Payment>=10000USD, 30% T/T in advance ,balance before shipment.