300V 4A variable dc regulated power supply

The DSPL Series DC Power Supply using PWM and Full-bridge technology has the advantages of reliable quality, stable performance, low ripple noise, fast transient response, high precision and high resolution. DSPL series fits testing requirement of EV motor and compressor, PV inverter, renewable energy, quality burning test, or facility power perfectly.

5v 200 amps Adjustable dc power supply

36v Programmable linear dc power supply

600 watt Programmable dc switching power supply 

In order to allow customers to more accurately select the DC power supply, listed the following custom parameters for reference: 
1. Input voltage, frequency, and range of the dc power supply.
2. The output voltage and adjustable rage of the dc power supply.
3. The output current or power and adjustable range of the dc power supply.

Q1. What is your terms of packing?

A: Generally, the inner is film, outer packing is standard export carton or wooden case.


Q2. What is your terms of payment?

A: T/T 30% as deposit, and 70% can be paid before delivery. We'll show you the photos of the products and packages before you pay the balance.


Q3. What is your terms of delivery?

A: EXW, FOB, CIF or Express.


Q4. How about your delivery time?

A: Generally it  takes 10-20 working days after receive your deposit or full payment. The specific delivery time depends on the items and the quantity of your order.


Q5. Can you produce according to the samples?

A: Yes, we can produce by your samples or technical drawings.


Q6. Do you test all your goods before delivery?

A: Yes, we will test precisely before delivery.


Q7: How do you make our business long-term and good relationship?

A:1. We keep good quality and competitive price to ensure our customer's benefits ;

    2. We  sincerely do business and make friends with every customers  no matter where they come from.

Q8: Are you a trading company or manufacturer?

A: We are a manufacturer located in Dongguan specilized in frequency converter for years.