About Us
Who We Are
OUMA is a factory-direct maker of cable drag chains and bellows way covers for CNC & automation.
We offer stable quality, quick engineering support, and 2 manufacturing sites for reliable delivery and custom sizing.
Who We Are
OUMA is a factory-direct manufacturer of cable drag chains and bellows way covers for CNC machines and automation equipment.
We focus on stable, repeatable production — from material selection and molding to assembly and inspection — to help customers reduce downtime and protect cables, guides, and moving parts in long-cycle operation.
With 2 manufacturing sites, we support both standard models and custom requirements, provide fast engineering response, and deliver with clear packing lists and traceable labeling for consistent supply.
OUMA Team & Services
Our engineering team and technical staff specialize in cable drag chains and CNC machine tool protection solutions, including bellows way covers and custom accessories. From material selection and structure design to molding, assembly, and final inspection, we control each step to ensure stable performance, consistent dimensions, and reliable service life in CNC and automation applications.
Beyond production, our sales and support teams respond quickly with application consultation, model selection suggestions, tailored quotations, and clear documentation for export shipments. We can also support your projects with drawings, basic installation guidance, and packing lists/labels for smoother receiving and installation.
Backed by stable manufacturing capacity and standardized QC procedures, OUMA serves machine builders and automation integrators with factory-direct supply, competitive pricing, and dependable delivery.



OUMA Team & Services
OUMA specializes in cable drag chains and CNC machine tool protection (bellows way covers).
Our engineers support selection and custom sizing, and we control production from material/design to molding, assembly, and final inspection.
We provide fast quotations, clear packing/labeling, and export documentation — with factory-direct pricing and reliable delivery.
We have been cooperating






Cooperation Cases
What our customers say
Feedback from landfill, mining, and water containment projects worldwide
We used HDPE geomembrane and geotextile for a landfill lining project.
The welding performance was excellent, and installation was smooth.
Material quality met international standards with no leakage issues.
— Project Manager
Landfill Engineering Contractor
The composite geomembrane and drainage geonet system worked perfectly for our mining tailings project.
Strong durability and stable performance under harsh conditions.
— Site Engineer
Mining Company
We installed HDPE geomembrane for a water reservoir project.
The material flexibility and UV resistance were very good.
Long-term performance exceeded expectations.
— Civil Engineer
Water Infrastructure Project
The bentonite waterproof blanket (GCL) provided excellent sealing performance.
Easy to install and reliable for environmental protection applications.
— Technical Supervisor
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Contact Us
Here’s how you can contact us for any questions or concerns.
Address
Workshop 1-2, Deerli Industrial Park, Bianlin Town, Lingcheng District, Dezhou, Shandong, China
Phone/WhatsApp/WeChat
+86 13602112691
xinyushengxing@gmail.com
