Product Description
As an authorized distributor for Nanjing Dingguan Parts Co., Ltd.,
we proudly offer the high-quality Pneumatic Folding Door Pump
specifically engineered for Golden Dragon tour coaches. This
precision-manufactured door system features a robust 50*170
cylinder that delivers smooth, reliable operation crucial for
passenger safety and convenience.
Constructed with industrial-grade materials, our pneumatic door
pumps provide exceptional durability against the rigors of daily
commercial use and varying climate conditions. The precisely
calibrated 50*170 cylinder ensures consistent door movement with
optimal opening and closing speeds, contributing to improved
passenger flow and reduced boarding times.
Each unit undergoes comprehensive quality testing to meet strict
performance standards, guaranteeing dependable operation throughout
extended service intervals. The system’s efficient design minimizes
air consumption while maintaining powerful actuation force,
enhancing your fleet’s overall energy efficiency.
Engineered for perfect compatibility with Golden Dragon coaches,
these door pumps ensure straightforward installation and seamless
integration with your vehicle’s existing pneumatic systems. The
maintenance-friendly design provides easy access to serviceable
components, reducing downtime and maintenance costs.
Contact us today for competitive pricing, bulk ordering options,
and international shipping details to maintain your Golden Dragon
coach fleet at peak operational efficiency with our authorized,
factory-certified door components from Nanjing Dingguan Parts Co.,
Ltd.
specification
Product Name: | Pneumatic door pump | Part Number; | DG-50MB |
Quality control: | GB/T 13094 | Size: | 50*170 |
Type: | Pneumatic door opening device | Place of origin: | Nanjing, China |
Materials: | High-strength cast aluminum cylinder block | Packaging: | Paper packaging/custom packaging |
Minimum order quantity: | 1 | Application: | bus |
Status: | brand new | Cargo transportation: | TNT, EMS, UPS, FedEx, DHL or according to your requirements. |
Customs code: | DG-50MB | Factory quality inspection: | 100% inspection |
Product dimension drawing


How to buy the right bus accessories
1.Please provide VIN number |
2.Please provide clear photos |
3.Please provide the OEM number |
4.lf you are unsure, please contact us. |

Nanjing Dingguan Auto Parts Co., Ltd.
-- Your reliable partner for bus spare parts.
About Us
Nanjing Dingguan Automotive Parts Co., Ltd. specializes in
providing high-quality and cost-effective parts for buses and
commercial vehicles. We focus on the global market, have rich
experience in exporting bus and truck parts, provide services to
distributors and fleet operators, and provide tailor-made solutions
to meet different needs.
Warehouse and cargo display

About shipping and packaging
transportation | TNT, EMS, UPS, FedEx, DHL or as per your requirement. |
packaging | Bubble wrap, cartons, wooden boxes, and pallets are used to avoid
damage to goods caused by bumps. |

common problem
1: Can you provide an accurate price? |
Sure. You need to provide the vehicle VIN number, provide the
product OEM code, or provide a clear product photo. |
2: What's your minimum order quantity? |
No minimum order quantity, of course, if you buy more items from
our company, you can get preferential prices and discounts. |
3: What's the delivery time? |
Air freight orders take 5 to 8 days. Sea freight orders take 15 to
25 days. |
My advantage
1:High-Quality Bus Components |
Specialized in premium aftermarket bus parts including engines,transmissions, and braking systems, built for durability and
performance. |
2:Comprehensive spare parts solution |
We offer a full range of bus accessories: filters, suspension
components, electrical components, and interior accessories for all
major bus brands. |
3: ISO-Certified Manufacturing |
Our ISO 9001/TS 16949-certified products ensure strict quality
control, reliability, and compliance with international
standards.ISO |
4: Global Bus Part Coverage |
Our products are compatible with leading bus models from Europe,
Asia, and the Americas. |
5;Extensive product catalog |
Engine parts, HVAC systems, lighting, wheels and safety components
covering city, intercity and long-distance buses. |
Contact Us