Milestone (Hebei Xiong'an) Technology Co.,Ltd. is a modern enterprise that integrates the research and development, production, sales and service of diesel generator sets, diesel engines and generators. It has been deeply engaged in the power equipment field for more than ten years. Adhering to the concept of "Protecting electricity safety with reliable power", we are committed to providing stable and efficient power supply equipment for industrial, civil, marine and other scenarios. Our products are sold to more than 170 countries and regions.
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We handle our own R&D, assembly, and comprehensive unit testing, rather than acting merely as a reseller.
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Open Diesel Generator25 years of in-house generator manufacturing - R&D, production and after-sales under one roof, not outsourced assembly.
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Silent Diesel Generator110+ countries currently running our units, meaning established parts and service knowledge outside our own factory.
Full in-house capability spanning R&D, production, sales, and service
Our Hot Sale Products
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Open Frame Diesel GeneratorHigh-performance open frame diesel generators for industrial, mining & backup power use. Stable voltage, strong overload capacity, factory direct... -
30 Kva Open GeneratorAsk any generator owner what they're afraid of, and it's rarely "not enough kilowatts." It's the generator not starting when the outage actually happens.... -
40 Kva Open GeneratorA 40 kVA open generator is generally suited to facilities running several pieces of equipment simultaneously — including one moderate-sized motor — where a... -
50 Kva Open GeneratorThe 50kva open generator is one of the most widely specified capacities for small-to-medium commercial and industrial power needs — large enough to run... -
Open Generator SetMilestone's Open Generator Set provide dependable standby and prime power from 20 kVA to 3,000 kVA. With no outer acoustic enclosure, the open-frame design... -
Ats Diesel GeneratorAn ATS diesel generator is a diesel generator set paired with an Automatic Transfer Switch (ATS), designed to detect a utility power failure and... -
Diesel Generator With Automatic Transfer SwitchA diesel generator with automatic transfer switch is a complete backup power solution that integrates a diesel generator set with a built-in ATS, so the... -
Automatic Transfer Switch For Diesel GeneratorAn automatic transfer switch (ATS) for diesel generators is the control device that automatically detects a utility power failure, starts the generator, and...

Our Team Provides Full Support
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Can I get a customized configuration?
Yes. Enclosure options, control panel brand, ATS integration and other specifications can be tailored to your project - contact our technical team with your requirements for a customized quote.
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Can multiple units run in parallel?
Yes - open type sets can be fitted with load-sharing and synchronization control boards to support two or more generators operating in parallel, with capacity for future expansion.
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Do all diesel generators need an ATS?
Not necessarily. An ATS is required by regulation wherever a generator is connected to a building with a mains supply, to prevent backfeed into the utility grid. For generators used purely as an independent power source with no mains connection, an ATS may not be required.
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What's the difference between ATS and AMF?
ATS (Automatic Transfer Switch) and AMF (Automatic Mains Failure) are often used interchangeably in the generator industry. Both refer to systems that automatically detect a utility power failure, start the generator and transfer the load - the terminology varies mainly by region and manufacturer.
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How quickly does an ATS switch the load to the generator?
After detecting a power failure, the ATS sends a start signal to the generator; the transfer occurs once the generator reaches stable voltage and frequency, typically within seconds once the generator is up to speed.




