Solar Panel Power System Charge Controller 12V 24V 40A 60A Solar Controller

Packing: cartons shall be used for small items while the wooden crates for big ones
Delivery:20 days after receiving payment( it's negotiable based on the specific order quantity)

Our Service

1.We have more than 10 years' experience in foreign trade service.

2.YIYEN/YIY would like to provide OEM/ODM Services to customers via the following ways.

Design for special packing 
We could provide the packing design service according to customers' instruction and our 

experience,including design of printed inner box and carton.
So working with YIYEN/YIY ,no need  to worry the design.
•inner box 
•carton
Products printing and logo OEM
Most of customers want to develop their own printing or put the logo on the products it's no 

problem for YIYEN/YIY,because  we have professional designers working in our factory. 
•adhesive labels 
•printing logo
Smaller orders are available
YIYEN/YIY  always prepare some stocks for hot selling products, so that meet the purchase requirement of smaller order from customers,because  we would liketo help them grow up at the beginning of business.And some customers trial order,in order to keep more and more business eachother in future.

3.During the warranty, any defective product will get repaired or replaced for free.

4.We have our own R&D team and Quality Control System which can guarantee the goods with good quality and advanced technology.

5.Don't hesitate to send inquiry to us when you see our products, we will do our best to reply as soon as possible and help you get more profit here.

6.In 2016, the Rate of Punctual Delivery is 98%.

Q 1.What's the payment term?
A.We accept TT,30% deposit and 70% balance agaisnt copy of BL.

Q 2.How's the delivery time ?
A.Usually it will take about 25 days for production.

Q 3.Tell me the standard of package?
A.For the small capacity,it use carton,but for big capacity,we should use strong wooden case for protection.

Q 4.What kind of material of transformer?
A.We have two types, one 100% copper and the other is copper with aluminum.It depends on your requirment. In fact,those two have no difference if normal work well. Only except the longlife. Copper is better and also higer price.

Q 5.Could you offer Form A or C/O ?
A.It totally not a problem. We can prepare relative documents to forgin affairs office or other office to apply for this certificate.

Q 6.Would you accept to use our logo ?
A.If you have good quantity,it absolute no problem to do OEM.

Q 7.We want to know month capacity.
A.It depends on which model.For example for relay type small capacity,month capacity can reach near 20000pcs and big capacity near 3000pcs.

Q 8.Where is your market?
A.Our products are popular in russia, indonisia, Philippines,italy, america, pakistan and so on.Some of them are our regular customers and some of them are developing. 
We hope you can join us and make mutural benifit from our cooperation.

Q 9.Does the inverter connect with solar system ?
A.Yes.Because of the unique feature which combine invert,charge and AC auto-transfer switch into one complete system,made inverter not only connect with solar system,also could be used in& officer equipment, household items,power tools ans etc.

Q 10.What kind of certificate you have ?
A.Our company already achieve ISO, CCC, and for products, we have CE, SONCAP, GOST, UL(pending) .