Zhejiang CNWL Intelligent Electric Co., Ltd. is a professional manufacturer of high, medium or low-voltage frequency inverters and explosion-proof frequency inverters especially for mine usage. We have more than 5 years of experience in producing and selling all kinds of Frequency Inverters in China.

Our company has our own intellectual property rights, prefect software, hardware, professional engineers and experienced technical persons of frequency inverters, as well as all of testing equipment. By these ways, CNWL has been a technical and professional brand in the field of frequency inverter of China.

Several years ago, we did open the WL-8000 series V/F control frequency inverters which have been operated stably and successfully for more than 5 years in Chinese market. We now have one more advanced type which is WL-9000 Series Sensor-less Vector frequency inverters. This series have high quality and multi functions, and have operated successfully for years in China. Especially, according to the special requirements of mine and oil field, we develop medium-voltage (660V-1140V) energy-saving frequency inverters, mine explosion-proof and entity-safe AC frequency inverters, and 1.5KV-10KV high-voltage frequency inverters. All of these types of frequency inverters are energy-saving and economical for users.


CNWL Company strictly conforms to ISO9001:2000 Quality Management System, to make sure every production links with high accuracy and high reliability, and the best frequency inverters in China.

"Science and Technology are leader; perfect our skill day by day; provide the best service for our customers before or after sale; we are only professional" is our working principle. We sincerely hope that we can have a chance to cooperate with you.