ST /TC  type step up & down transformer / toroidal transformer/220v power transformer  is specially designed for such electronic equipment whose rated AC voltage different from that of the local net voltage. They are safe for use within the rated voltage range.

1. Feature

This series step-up & step-down transformer is an AC voltage converting device.

Using it is to convert the multi-kind net voltages into a general output voltage

under which all the electronic units are

safe for use within the rated power range.

2. Main Technical Data

Phase no.: Single-phase

Input voltage: AC110V or 200V or 220V or 240V

Output voltage: AC110V & 220V.

With fuse protector or with over current protector

1. Q: Do you have a catalogue? Can you send me the catalogue to have a check of all your products?
    A: Yes , We have product catalogue.Please contact us on line or send an Email to sending the catalogue.

2. Q: I need your price list of all your products, do you have a price list ?
    A: We do not have a price list of all of our products. Because we have so many items,and it's impossible to mark all of their price on a list.And the price are always changing because of the producing cost.If you want to check any price of our products, please feel free to contact us.We will send offer to you soon!

3. Q: I can't find the product on your catalogue, can you make this product for me?
    A: Our catalogue shows most of our products,but not all.So just let us know what product do you need, and how many do you want.If we do not have it,we can also design and make a new mould to produce it.For your reference,making a ordinary mould will take about 35-45days."

4. Q: Can you provide samples ? Are the samples free ?
    A: Yes,we can provide samples.Normally,we provide samples for test or quality checking.But you have to pay for the sample and shipping cost.

5. Q: What kind of payment do you accept ? Can I pay RMB ?
    A: We accept T/T(Wire transfer),Western Union LC and Paypal. Please be sure that we can receive the same amount of the Invoice. And you can pay money In RMB. No problem."

6. Q : What about your delivery time?
    A: We have a lot of products in stock.We can send the stock products in 3 work days. If without stock,or stock is not enough, we will check the delivery time with you."

7. Q : How to ship my order ? Is it safe?
    A: For small package, we will send it by Express, such as DHL,FedEx,,UPS,TNT,EMS.    
8.Q: Where is your market?
A. Our products are popular export to Africa, South Asia, Middle East and so on. Surely we hope you can join us and make mutual benefits from our cooperation.

9.Q: What's the loading port?
A. Usually we prefer Ningbo port (Zhejiang) for delivery, others like Shanghai port is ok.

10.Q: Could you offer Form A or C/O?
A . Absolutely it is not a problem.

11.Q: How long is the warranty time?
A . 12months from you receive the goods.

12.Q: What kind of certificate do you have?
A. We have CE, ISO9001, SONCAP and testing report for all our products.

13.Q: What's the payment terms?
A. We accept T/T, 30% deposit and 70% balance before shipment.

14.Q: Would you accept to use our logo?
A. Quantity is over 500pcs/capacity, it is absolutely no problem to do OEM.

15.Q: We want to know about production capacity.
A. Our average capacity is 50000 pcs per month.

16.Q: What kind of material of transformer?

A. We have two types, one is 100% aluminum EI transformer, other one is 100% aluminum toroidal transformer. It depends on your requirements. In fact, those two have no difference for usage.                                                                                                    "Any requirements or question,welcome to ""Send"" us an e-mail Now!!!
It's our great honor to do services for you! You also can get the FREE SAMPLES soon."