Manufacturing base
Purpose-built production space for door systems, controls and loading equipment.
ABOUT SEPPESBuilt by a real factory.
Built by a real factory.
Trusted beyond borders.
We engineer and manufacture industrial entrance systems that keep modern facilities moving—safely, efficiently and with confidence.
EST. 2011SUZHOU · CHINAGLOBAL DELIVERY
WHO WE AREWe do more than sell doors.
We do more than sell doors.
We manufacture certainty.
SEPPES is an industrial door and loading dock equipment manufacturer based in Suzhou, China. Since 2011, we have helped manufacturing, logistics, food, pharmaceutical and cold-chain facilities create safer and more efficient access.
From application review and technical drawings to production, testing, packing and after-sales support, our team keeps every critical step under one roof.
Countries & regions
Export-ready support for international contractors, distributors and end users.
Product certifications
Products developed around recognized safety, quality and performance requirements.
Industry experience
Application knowledge built through demanding industrial projects since 2011.
OUR JOURNEY
Progress, built one project at a time.
Our growth has always followed the same principle: listen closely, engineer responsibly and manufacture consistently.
2011
01
SEPPES was founded
We began in Suzhou with one focus: making industrial entrance systems more reliable and easier to specify.
2016
02
Factory capability expanded
Dedicated production, testing and quality-control processes were established for industrial doors and dock equipment.
2019
03
Global project support
Our products entered more overseas markets, backed by English documentation, export packing and remote installation guidance.
2022
04
A complete entrance portfolio
High-speed doors, sectional doors, hangar doors and loading dock systems formed one coordinated solution platform.
2025
05
Serving 80+ countries
SEPPES continued to grow as a trusted manufacturing partner for factories, logistics hubs and clean facilities worldwide.
FACTORY STRENGTH
See where reliable doors begin.
In-house manufacturing gives us direct control over materials, workmanship, testing and delivery schedules.
20,000+ m² manufacturing baseSuzhou, Jiangsu, China
Controlled productionConsistent processes at every stage
Application-led engineeringBuilt to fit the opening and operation
Incoming material inspection Assembly quality control Pre-shipment function test Export-standard packaging
MANUFACTURING IN ACTION
A factory you can verify.
Customers choose SEPPES because they can see the people, equipment and processes behind every industrial door. From factory audits and technical meetings to assembly, control-system testing and container loading, our operation is open, traceable and built for long-term cooperation.
02
Domestic customer visits
Transparent tours and face-to-face technical exchange
03
International factory audits
Overseas partners verify our process and capacity
05
Management coordination
Engineering, production and sales align on every project
07
Experienced manufacturing team
A stable team focused on industrial entrance systems
08
Suzhou manufacturing campus
A real production base—not a trading-office operation
09
Intelligent production equipment
Modern machinery supports repeatable component quality
10
Door assembly workshop
Products are assembled and checked before export packing
12
Global export loading
Protected packing and container loading for international delivery
FOUNDER'S STORY
“A dependable industrial door is not simply a product. It is our promise to the people and businesses operating behind it.”
Yuanjia YangFounder of SEPPES
Founded in 2011, SEPPES grew from a focused industrial door team into a global brand serving customers across more than 80 countries and regions. Yuanjia Yang has kept the company anchored to a simple belief: strong products come from understanding real operating conditions, respecting manufacturing details and supporting customers for the long term.
Connect with our teamINDUSTRIAL DOOR MANUFACTURER
Factory-direct support for global industrial projects.
Choosing an industrial door manufacturer is about more than comparing a product specification. The right partner must understand traffic frequency, opening dimensions, wind load, sealing, temperature control, safety requirements, automation interfaces and local installation conditions.
SEPPES combines application knowledge with direct manufacturing control. Our engineers help customers define the right door type and control logic, while our production team turns approved drawings into finished industrial entrance systems. This connected process reduces communication gaps and helps contractors, distributors and facility owners manage quality, schedule and installation more confidently.
Explore our industrial door rangeWhat our factory can support
- Custom opening sizes and operating requirements
- High-frequency and high-speed access applications
- Cleanroom, food, pharmaceutical and cold-chain environments
- Exterior doors requiring wind resistance and security
- Loading dock equipment for warehouse efficiency
- Export documentation, packing and remote installation support
FACTORY FAQ
Questions about working directly with SEPPES.
Clear answers for overseas buyers, contractors and distribution partners evaluating an industrial door factory.
Is SEPPES an industrial door manufacturer or a trading company?+
SEPPES is a direct industrial door manufacturer in Suzhou, China. Our team handles application engineering, production, assembly, quality inspection, function testing, export packing and after-sales technical support.
What industrial door products does SEPPES manufacture?+
Our main range includes high-speed roll-up doors, high-speed spiral doors, industrial sectional doors, hangar doors, cold-storage doors, dock levelers, dock shelters and related loading bay equipment.
Can international customers visit or audit the factory?+
Yes. We welcome customer visits, distributor evaluations and third-party factory audits. Remote video inspections and pre-shipment documentation can also be arranged for overseas projects.
How does SEPPES support overseas installation?+
We provide confirmed technical drawings, installation manuals, wiring information, commissioning guidance and responsive remote support. On-site support can be discussed according to the project location and scope.
START WITH THE MANUFACTURERBring us your opening.
Bring us your opening.
We’ll bring the engineering.
Share your door size, application and project location. Our engineers will recommend a practical solution within one business day.
Request a factory-direct proposalPrepare your inquiry
Discuss Your Industrial Door Project
Send the details you already have and identify the decisions that are still open.
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