• What do you mean by flow rate or discharge rate (capacity of the pump) ?
• What do you mean by "head" ?
• Does your company has any sales promotion for dc solar pumps by the end of year ?
• May i use other controller for your DC solar powered pumping ?
• What is the material of your DC solar pump
• What are the components of a photovoltaic (PV) system?
• Why does my constant pressure pump turn on & off when no water is being used?
• Do I need to install a pump?
• Who should install a pool pump?
• Is there danger in installing a pool pump?
• Can you accept the payment terms of L/C
• Does your company has the sales promotion for the solar pump sales season ?
• Will you attend this October Canton fair
• Notification: water pump price rising
• What is our advantage in this line ?
• How to guarantee our products’ quality ?
• What is the permanent magnet Synchronous motor
• What is an open centrifugal pump?
• Where are you located in
• what is the lifetime of your solar pump
• What kind of solar pumps does your factory manufacturer
• Shall i need a float switch in the well ?
• AC solar pump and DC solar pump is DIFFUL company
• What maintenance is required for a solar powered pump? Does the performance of the solar water pumps
• Does a solar water pump work during cloudy and foggy days?
• Once installed, is it possible to relocate the solar pump system?
• How long is the delivery time of your company
• What are the capacities at which solar water pumps are available and what is the average discharge?
• Which is better--a DC or an AC pump?
• How does one know if they should use a submersible or a surface pump?
• Which is better--a DC or an AC pump?
• How does one know if they should use a submersible or a surface pump?
• What are the different types of solar water pumps?
• How are solar water pumps more useful than conventional electric pumps?
• What is the use of solar water pumps?
• What are the probes used for and are they needed?
• Can I use the existing cable on my AC pump to power the solar pump?
• Can the speed of the solar pump be adjusted?
• What would the maximum power be that I can add to the pump?
• How do I determine the amount of panels needed for my solar pump?
• Can I run this pump off my existing solar installation?
• How far can I install the solar panels from the pump?
• Do these pumps use brushes like other DC pumps?
• Can I use Mains or generator power to run the pump during cloudy days?
• Can I add more solar panels to the pump to increase the flow rate?
• Do I need batteries or can I add batteries to this solar pump?
• What do you mean by "Head"?
• What is a solar pump, and how does it work
• What is the use of solar water pumps?
• What are the advantages of solar pumps ?
• What are the different types of solar pumps ?
• What is your advantage of DC brushless solar pump
• I will be at canton fair, how can i go to visit your factory
• I will be at canton fair, how can i go to visit your factory
• Will you attend the April SNEC or Canton fair
• Can i customize my pumps
• How can i buy your DQB series solar pump
• How can i buy your Screw solar pump ?
• How can i be your agent of solar pumps
• peak sales season is coming, Does your company have any special offer to your pumps
• I compared with other factories, why is your DC solar pump with such good quality but cheap price
• What are your difference between your AC and DC solar pump
• Can you advise how to match the solar panel for the solar pump and offer the connection drawing?
• Are you trading company or manufacturer ?
• Can i use our own brand for the pumps
• Can I pack my goods in pallet ?
• What is your advantage of deep well submersible pump
• What is your advantage of DC solar pumps
• What is the warranty of you water pump
• I don't know how to install the water pump
• What is tax refund
• Can I use my own forwarder?
• Should I buy insurance for goods with sea shipping?
• Why choose difful pump ?
• Can i get a free sample
• Can i get a free sample
• What will be the discount for my orders?
• WHAT IS YOUR COMMITMENT TO WATER PUMP AFTER SELLING
• How does deep well submersible installation ?
• How the boiler circulating pump works.
• How does a Centrifugal pump work ?
• Why do I keep “burning” up my mechanical seal?
• If I put a higher speed motor on my centrifugal pump, will it pump more?
• If I put a bigger motor on my pump, will it pump more?
• My pump sounds like it is pumping gravel. What is causing that noise?
• How does solar pump install in a water well
• How do deep well pumps install
• HOW TO MAKE A POWERFUL WATER PUMP AT HOME
• HOW DO YOU GUARANTEE YOUR QUALITY ?
• WHAT'S YOUR DELIVERY TIME?IF I NEED PRODUCTS VERY URGENT,HOW CAN I GET IT?
• HOW LONG I CAN GET YOUR REPLY AFTER IN SEND INQUIRY?
• HOW LONG I CAN GET YOUR REPLY AFTER IN SEND INQUIRY?
• WHAT'S YOUR PRODUCT CERTIFICATE?
• WHAT'S YOUR PRODUCT MOQ OF IT?
• WHAT'S YOUR PRODUCT MOQ OF IT?
• HOW LONG IS YOUR PUMP LIFETIME?
• HOW CAN I CHOOSE THE MOST SUITABLE PUMP?
• WHAT'S YOUR MAIN PRODUCTS OF YOUR COMPANY?
• I CAN'T FIND THE ITEMS WHAT I WANT IN YOUR WEDSITE ,CAN YOU OFFER THE PRODUCT'S I NEED ?
• HOE DOES YOUR FACTORY DO REGARDING QUALITY CONTROL?
• WHAT IS YOUR METHOD OF SAMPLES TRANSPORTATION?
• WHAT IS YOUR METHOD OF SAMPLES TRANSPORTATION?
• WHAT'S YOUR EQUIPMENT ?
• HOW ABOUT YOUR CAPACITY ?
• WHAT IS THE CORE ADVANTAGE OF DINGFENG PUMP ?
• ABOUT DINGFENG ?
• WHAT IS YOUR PAYMENT TERMS?
• WHAT IS YOUR PRICE ADVANTAGE?