Jingma Coaster-Style Outward Swing Door

The Jingma Coaster-Style Outward Swing Door is a high-strength exterior door assembly designed for Coaster-type and mid-size passenger buses. Manufactured from premium cold-rolled steel sheets, this door is engineered to meet industry standards and customer requirements for durability, precision, and long-term operational stability.

The inner and outer panels are formed through precision stamping molds and processed using 3D laser cutting based on technical drawings to ensure accurate dimensions and consistent fitment. The panels and reinforcement components are integrally welded and hemmed, forming a robust structure capable of withstanding frequent opening and closing in daily bus operations.

Product Features

• Robust Structural Design:
  The door assembly integrates inner panels, outer panels, and reinforcement parts through precision welding and edge hemming, ensuring excellent rigidity and long service life.

• Advanced Anti-Corrosion Protection:
  Both interior and exterior surfaces are treated with electrophoretic coating. The product passes over 72 hours of salt spray testing, significantly enhancing resistance to rust and corrosion and providing a reliable base for subsequent painting processes.

• High Manufacturing Precision:
  Mold stamping combined with 3D laser cutting ensures accurate dimensions, smooth edges, and stable installation performance on bus bodies.

Quality Standards

• Key Process Capability Index: Stable and controlled

• Customer Satisfaction Rate: ≥ 95%, with an annual increase of 1%

• Process Audit Level: Grade B

• Inspection Pass Rate: ≥ 98% per batch

These standards guarantee consistent quality, safety, and reliability.

Application Range

This outward swing door is suitable for Jiangling Jingma Coaster bus models with the following lengths:

• 6.0 meters

• 7.1 meters

• 7.7 meters

It is widely used in city commuter buses, tourist coaches, and school bus manufacturing and replacement applications.

Notes & Handling Instructions

• Customers should confirm the product condition prior to shipment.

• Avoid heavy pressure during transportation to prevent deformation.

• Ensure firm and secure packaging for safe delivery.

Competitive Advantages

• Factory-Direct Supply: Manufacturer direct sales with true ex-factory pricing

• Stable Long-Term Cooperation: Partnerships with well-known domestic bus manufacturers such as Xiamen King Long, Ankai Bus, and Jiangling Jingma

• Quality & Delivery Assurance: Mature production systems ensure consistent quality and on-time delivery

Conclusion

The Jingma Coaster-Style Outward Swing Door delivers a durable and cost-effective solution for Coaster bus manufacturers and aftermarket customers. With cold-rolled steel construction, advanced electrophoretic anti-corrosion treatment, and strict quality control standards, the product ensures excellent strength, corrosion resistance, and precise fitment. Supported by factory-direct supply and proven cooperation with leading bus brands, it is an ideal choice for high-quality outward swing door systems in passenger buses.