In a photovoltaic power generation system using a centralized photovoltaic inverter, a DC combiner box is mainly used for DC output pooling of multiple photovoltaic strings to reduce the connection between photovoltaic strings and a centralized photovoltaic inverter, and to protect the photovoltaic The system is easy to cut off the circuit during maintenance and inspection, and reduce the range of power failure when the PV system breaks down

Our quality control system & Products' quality approved by CCC

1.Are you manufacturer or trading company?
HUITUO is a specialized manufacturer with over 10years production experience.

2. Do you support OEM or ODM?
Yes, we support OEM & ODM and we can also design as customer demand.

3. How to pay sample and express charges? 
For samples charge, you could pay through West Union or Transfer to our company's account.  If you have a international express account, we could send samples to you by freight collected.  Please kindly note we will charge a reasonable cost of samples.

4. How's your oversea markets?
Dear users, our products are mainly sold to North American, European and Asian markets. We are very glad to cooperate with you as our partners.

5. How do you control the quality ? 
Professional QC team comply with TQM insure you the quality. Each step is in compliance to the standards,At the same time ,we will take photos or shoot video for you.

6. What is your terms of payment ? 
We accept West Union, T/T, irrevocable L/C at sight. Prefer T/T 30% deposit before production, the balance against copy of B/L.

7.What about lead or shipping time?
The lead time depends on the quantity you ordered, generally within 20-30 days upon receipt of advance payment.

8. What about the service offered by company?
We have the professional engineer team which can design and develop the mold to arrive different customer requirement.We also have the sales team to offer good service from pre-sale to after-sale.

Read before inquiry：
Please kindly supply the follow details to choose the right product you need:
1 Your rated voltage,current,frequency etc.
2.System diagram of distribution box components ;
3. Your electrical cabinet size,paint material and color;
4.Box installation way (surface mounted, conceal mounted, landing);
5.Protection rate (IP);
6.Implementation standards ;
7.Other special requirement like brand of components

OUR SERVICE :
We can supply:
*Sample and show :
Please feel free to ask us for samples to check before placing order.You are also warm welcome to visit our factory and show our products.
*Specialized product:
If you have new design just let us us know we can manufacture special for you.
*OEM,ODM:
We would like to supply you OEM,ODM if you prefer.
*Test reports and certificate:
We can do any test reports and certificates once you request before placing order.
*Flexible Shipment:
By sea,air or express,whatever you like!
Nothing is impossible if you need!

How to ensure the quality of your order products?