Motion control solution (energy saving & better process control): frequency inverter, variable speed drive (VSD), VFD, adjustable frequency drive (AFD), closed loop vector AC drive, motor soft starter, brake units...
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  As a professional supplier of frequency inverters, ac drives, motor soft starters, other related products, we, Powtran Technology Co., Ltd. (Shenzhen POWTRAN Technology Co., Ltd., DaLian POWTRAN Technology Co., Ltd.) strictly control the quality of our products, including the components.

Below are some pictures of inspection and test in our factory for your reference only:
Component inspection for our frequency inverters, variable speed drives, motor soft starters...:
component inspection
PCB board Aging 48h under 45 centigrade:
PCB board Aging 48h under 45 centigrade
PCB board automatic test after 48 hours aging:
PCB board automatic test after 48 hours aging
Process quality control:
Process quality control
Producing process parameter test for VSD, VFD:
Producing process parameter test
Finished drives aging for 48 Hours:
Finished drives aging for 48 Hours
Finished products (frequency inverters, ac drives, VFDs) test:
Finished products test
Final quality testing under load:
Final quality testing under load
Frequency inverters, VSD, tested under load, including overload capacity, protecting functions:
VSD, tested under load, including overload capacity, protecting functions

We welcome you to visit our factory for your first-hand data about the quality control of our factory. As we said, we offer world class frequency inverters, frequency converters, variable speed drives, variable frequency drives, adjustable speed drives, adjustable frequency drives, motor soft starters, and other products to clients worldwide, but cost effective. Our products are widely applied in all the industry, for speed control and energy efficiency.

We also offer about 15-month or longer warranty period to our clients in the world. During the warranty period, we offer free spare parts if it is caused by the quality.

You can check our after-sales equipments here.

Our first rate products are widely applied in different industries worldwide, certificated by CE, TUV, ABS, ISO and other standards.

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A leading manufacturer and supplier of first rate variable speed drive,frequency inverter, PWM vvvf drive, vector control ac drive, motor soft starter, servo motors and drives, EMI filters, voltage: 220V, 380v, 400 v, 415v, 460V, 480V,575v, 660v,690V, 1140 VAC, and above, power: 1 hp to 840 hp (0.4kw to 630kw) or above.
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