OEM & ODM & OBM
CHDAC - Your trusted manufacturer of pneumatic components and automation solutions
We specialize in cylinders, solenoid valves, air treatment units, and customized pneumatic systems. Certified with ISO/CE/ROHS, our products are widely used in machinery, automotive, food processing, and packaging industries.
About chadc Pneumatic
Since 2014, SUNWAY has been the global export arm of ZHENGXI Group and its subsidiary PINEELE, leveraging over a decade of R&D and manufacturing expertise in high- and low-voltage electrical equipment to deliver one-stop power solutions to customers in more than 60 countries across Europe, the Americas, and Southeast Asia. Our portfolio—AC voltage stabilizers, transformers, regulators, soft starters, inverters, LV/MV switchgear, prefabricated substations, and intelligent power distribution systems—carries CE, IEC, ISO9001, and RoHS certifications, with flexible custom engineering to meet the strictest local standards. Backed by a direct factory link, robust production capacity, and a 24/7 technical team of engineers, project managers, and after-sales specialists, SUNWAY ensures rigorous quality control, reliable lead times, and seamless project delivery. Guided by “Quality First, Customer Centric, Precision & Efficiency, Continuous Innovation,” we are committed to driving intelligent, sustainable electrification worldwide.
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Our Advantages
Let us help you build your brand, simplify your supply chain, and deliver consistent value to your market.

Whar Our Clients Say
We serve as an OEM partner for several renowned publicly listed voltage regulator brands. While confidentiality agreements prevent us from naming them, our consistent product quality has earned their long-term trust.
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Latest News
Sustainability
Static Voltage Stabilizer — Definitive Product Guide
Static Voltage Stabilizer Unit][img]Alt: Industrial static voltage stabilizer cabinet installed in a factory electrical room Modern industries demand precise, reliable, and uninterrupted power. A static

Do Voltage Stabilizers Save Electricity?
Practical guide for buyers — how stabilizers work, energy impact, and correct sizing Short answer: a voltage stabilizer does not create electricity, but it can