Unleashing unparalleled excellence, the TopWorx T-Series switchboxes epitomize exceptional value by offering comprehensive functionality within sleek, compact, and direct-mount enclosures.
Engineered for versatility, the T-Series is equipped with a myriad of position sensors, integral solenoid valves, and bus networks. It's tailored for deployment in all hazardous environments and proudly possesses the prestigious IECEx, ATEX, and UL certifications.

Direct-Mount Stainless Steel
Flameproof/Intrinsically Safe/
Explosion Proof /Non-Incendive
Class I Div 1 & 2
Class II Div 1 & 2
Ex ia IIC T6/T4/T3
Ex d IIB or IIC T6/T4
Operating temperature from -65°C to 100°C
Ex tb IIIC T135C
Operating temperature from -50°C to 100°C
II2GD, IP66/67, Type 4X - Ensures robust protection against harsh elements.
Direct-Mount Aluminum
Flameproof/Intrinsically Safe/Explosion Proof /Non-Incendive
Class I Div 1 & 2
Class II Div 1 & 2
Ex ia IIC T6/T4/T3
Ex d IIB or IIC T6/T4
Operating temperature from -65°C to 100°C
Ex tb IIIC T135C
Operating temperature from -50°C to 100°C
II2GD, IP66/67, Type 4X - Ensures robust protection against harsh elements.
Company Profile
Cold Valley Intelligent Technology (Shanghai) Co., Ltd., is a distinguished jewel in the crown of the Hanshan (Cold Mountain) Intelligent Technology Co., Ltd. group, setting the benchmark for industry excellence.
Since its prestigious inception in Shanghai in 2013, the company has gained recognition as a reputable member of the Hanshan Intelligent Technology Co., Ltd. group.
The brilliance of our founding team shines through their rich tapestry of experience, with roots reaching into esteemed international automation companies. Collectively, they bring over 20 years of innovative expertise in the automation industry and engineering. Coupled with a decade of consulting and executing digital solutions, we are resolute in offering preeminent automation and digitization products and services to our global patrons, all from the dynamic hub of Shanghai, China.
Leveraging over 20 years of deep industry acumen, we sculpt our expertise within the petrochemical sector. We possess an intricate understanding of the varied automation and digitalization needs that permeate upstream, midstream, and downstream enterprises. Our specialization lies in designing bespoke, professional products and solutions, seamlessly infused with automation and digitalization. Alongside, we offer an extensive suite of life cycle services for industries spanning petroleum, chemicals, electric power, biomedicine, APIs, food and beverage, liquor, metallurgy, and non-ferrous metals.






Frequently Asked Questions
How can I choose the perfect product for my needs?
A: Once we receive your inquiry, you will be provided with a comprehensive technical document. This will empower you to meticulously assess the detailed process parameters and technical specifications, ensuring you have everything you need. Based on your distinct requirements, we will recommend the ideal model, expertly tailored just for you.
I'd like a confirmed model; is that possible?
A: Absolutely. Upon receiving your specified model, we will first conduct a rigorous suitability verification. If needed, we will offer additional optimization suggestions to enhance cost-effectiveness. Once confirmed, we will proceed with a formalized quotation, ensuring a seamless experience.