About Us
One-stop supplier of all types of electrical terminal equipment
OTTAI group developed products such as cabinet air conditioners, high-temperature anti-corrosion air conditioners, semiconductor dehumidifiers, energy storage dehumidifiers, high and low voltage switch cabinet components, online monitoring systems, optical sensors, etc., are distributed in 60+ countries and regions around the world; the service fields include power, new energy, smelting, data centers, communication and transportation, smart education, medical care, chemical industry, national defense, etc.
Our Advantages
It has an independent R&D team, which can carry out product innovation and iteration based on industry trends and specific customer demands, ensuring the international compliance and environmental friendliness of the products.
Original factory
The annual output of quartz sensors reaches 10,000 units
Solution provider
Offer reliable products, also assist customers in achieving the entire project
Cost-Effective
Provide the most cost-effective and appropriate products and services
Dimond quality
Functional tests and rigorous durability tests under complex working conditions before delivery
Featured products
We will reply under 10 hours with your inquiry
Frequently Asked Questions
How can i get more information about your products?
You can send us an email or ask our online representatives and
we can send you the latest catalog and price list.
What is the shipping way?
By sea,air,Fedex DHL UPS and etc
Do you accept OEM/ODM?
Yes,but we have quality reqiurements,please contact us directly.
How long is your delivery time?
Generally it’s 5 days if the goods are available. It would be 20-30 days based on ozone application and capacity requirements.We could supply ODM and OEM, design layout based on actual working condition.
How do you control quality?
The company strictly implements the ISO9001 quality management system, has passed ISO14001, ISO45001 management system certification and SGS. In addition, we have more than 20 patents technology to ensure stable and reliable product quality.
Does your product have any warranty?
Yes, we offer 12 months warranty from the date of the customer’s confirmation.Beyond the warranty, we will also supply life-long maintenance but we will charge maintenance fee.
What is your term of payment?
We accept T/T, L/C, Western union, Credit card etc.
How to install the device when it reaches the site?
We will provide you with detailed installation instructions, by the way online installation instructions. If necessary, we will send a technician to help you.
Are you free to provide solution?
Based on your requirements, we offer the most cost-effective solution. From equipment purchase to installation and commissioning, everything will be clearly explained to you.
Do you have any oversea cases for reference?
Yes, we worked with many highway projects overseas. Customer feedback indicates significant cost savings.
How to ensure the consistency of the product?
Design, production and materials follow international certification standards. The product
How to enhance the efficiency of procurement management?
Consider introducing a digital procurement system to enhance transparency and efficiency.
OUR CERTIFICATE







Completed Projects
500 kV power transmission and transformation, battery management system for new energy fields, etc.
Blogs and forums
The digital transformation in the power industry has been accelerating comprehensively. Unmanned substations and intelligent power grid operation platforms are being widely adopted. This has set higher standards for the intelligence level and operational convenience of cabinet temperature control equipment.

Energy Management and Green City Construction
In IBM’s book “Smart Cities in China,” a “smart city”

Grid Management in Power-Scarce Regions Matters More Than Ever
Why effective grid management is critical in areas with limited

AI-Driven Temperature and Humidity Control in IDC Facilities
Discover how AI-enhanced WIM systems and cloud analytics are shaping

Understanding Energy Consumption in Storage Cabinets
A look into how energy storage cabinet consumption impacts sustainability

Online Monitoring Strengthens Power Grid Security
How real-time monitoring technologies enhance grid reliability and support digital