Leading Roller Shutter Door Motor Manufacturer & Supplier in China

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Founded in 2006, China Develop (DP Group) is a door and gate automation manufacturer in Zhejiang, China, with more than 300 staff. Under the TORQEN brand we make roller shutter motors, sliding and swing gate openers, sectional and automatic door operators, and the controls and safety accessories that go with them.
We export to more than 35 countries, including Spain, Italy, the USA, the Middle East and Northern Europe. In-house R&D, CE, CCC and TÜV certified product lines, low MOQs and fast shipping let distributors, door manufacturers and OEM brands source a complete range from one factory.

Our Differences
Why Distributors Choose China Develop
001
Factory-Direct Since 2006
Over 20 years and 300+ staff designing and manufacturing roller shutter motors, gate openers and door operators, with motors, controls and accessories from one supplier.
002
CE, CCC and TÜV Certified
003
In-House R&D and Engineering
004
Technical Support and Spare Parts
005
Low MOQ and Fast Shipping
“We focus on continuous innovation to deliver high-performance and reliable gate motors that meet diverse customer needs.”

Manager Zhang (R&D Lead)







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What does China Develop manufacture?
Under the TORQEN brand we make roller shutter central, tubular and side motors, sliding and swing gate openers, sectional and automatic sliding door operators, barrier gates, window openers and curtain motors, plus the receivers, switches, photocells and safety brakes that go with them.
Are your products certified?
Key TORQEN product lines carry CE, CCC and TÜV approvals. Ask our sales team for the certificates of the models you need.
Do you offer OEM and ODM supply?
Yes. We supply under your brand, with your logo on the motor and packaging, and adjust voltage, torque, brake, limit type and receiver options to your market.
What is your MOQ and lead time?
We accept low minimum order quantities, so new distributors can start small. Core models are kept in stock and ship fast; OEM and custom orders take longer. Exact MOQ and lead time are confirmed with your quotation.
Do you provide after-sales support?
Yes. Our after-sales team provides online technical support, installation guidance and spare parts.
What warranty do you offer?
Warranty depends on the product line. For example, TORQEN tubular motors carry 5 years and central motors more than 5 years. The terms for each model are confirmed in your quotation.
How are your motors installed?
Each product comes with an installation manual, and our technical team supports installers online during setup and commissioning.
Are your motors suitable for outdoor use?
Outdoor models are built to resist dust and humidity, with IP44 tubular motors and IP55 photocells and gate accessories.
Which power supplies are available?
Most motors are available for 230V/50Hz and 110V/60Hz. Selected models run on 12V or 24V DC, and the DOG sliding gate series comes in AC and DC versions.
How do I request a quote?
Use the form on this page or our contact page. Tell us the product, quantity, voltage and destination country, and our sales team will reply with pricing and lead time.
Do you ship internationally?
Yes. We export to more than 35 countries, including Spain, Italy, the USA, the Middle East and Northern Europe, and help with shipping arrangements and export documents.






