Product Name: Jingma Coaster-Style Driver Door (Left-Hand Drive)
Material: Cold-rolled steel sheet
Exterior Dimensions: Customized (Length × Width × Height, mm)
Surface Treatment: Electrophoretic coating (E-coating)
Salt Spray Resistance: ≥ 72 hours
Hinge Configuration: 3-hole or 4-hole optional
Minimum Order Quantity (MOQ): 15 sets
Delivery Time: 20 days
Delivery Method: Sea freight
Shipping Port: Shanghai Port or as requested
Payment Method: To be negotiated
The Jingma Coaster-Style Driver Door (Left-Hand Drive) is a high-quality exterior body component designed specifically for Coaster and mid-size passenger buses. Manufactured from premium cold-rolled steel sheets, this driver door is engineered to meet strict industry standards for strength, durability, and dimensional accuracy. It is widely used in the production and refurbishment of commuter buses, tourist coaches, and school buses.
Both the inner and outer panels are formed through precision stamping molds, followed by 3D laser cutting according to technical drawings to ensure excellent consistency and fitment. The panels and reinforcement structures are then assembled using precision welding and edge hemming processes, guaranteeing superior structural integrity and long-term reliability.
| Item | Specification |
|---|---|
| Product Name | Jingma Coaster-Style Driver Door (LHD) |
| Material | Cold-rolled steel sheet |
| Exterior Dimensions | Customized (L × W × H, mm) |
| Hinge Configuration | 3-hole or 4-hole optional |
| Surface Treatment | Electrophoretic coating (E-coating) |
| Salt Spray Resistance | ≥ 72 hours |
| Minimum Order Quantity | 15 sets |
| Delivery Time | 20 days |
| Delivery Method | Sea freight |
| Shipping Port | Shanghai Port, or as requested |
| Payment Method | To be negotiated |
High Structural Strength:
Inner panel, outer panel, and reinforcement parts are welded and hemmed as a complete assembly, ensuring excellent rigidity and safety performance.
Advanced Anti-Corrosion Protection:
The entire door assembly undergoes electrophoretic coating, providing uniform coverage and superior resistance to rust and corrosion. The coating passes 72+ hours salt spray testing, offering reliable protection and a solid base for subsequent painting processes.
Precision Manufacturing:
Mold stamping combined with 3D laser cutting ensures accurate dimensions, smooth edges, and stable installation performance.
Key Process Capability Index: Stable and controlled
Customer Satisfaction Rate: ≥ 95%, with an annual growth rate of 1%
Process Audit Level: Grade B
Inspection Pass Rate: ≥ 98% per batch
These strict quality controls ensure consistent performance and long service life.
This driver door is suitable for Jiangling Jingma Coaster buses with the following lengths:
6.0 meters
7.1 meters
7.7 meters
It is ideal for use in city transit buses, tourist coaches, and school bus manufacturing or replacement projects.
Direct Manufacturer Supply: 100% factory-direct pricing with no intermediaries
Stable Production & Delivery: Long-term cooperation with leading bus manufacturers such as Xiamen King Long, Ankai Bus, and Jiangling Jingma
Reliable Quality Assurance: Proven manufacturing processes ensure consistent quality and on-time delivery
The Jingma Coaster-Style Driver Door (Left-Hand Drive) is a reliable and precision-engineered exterior body component designed to meet the demanding requirements of modern bus manufacturing and refurbishment. With its cold-rolled steel construction, advanced electrophoretic anti-corrosion treatment, and strict quality control standards, the product delivers excellent structural strength, durability, and long-term performance.
Supported by efficient production capabilities, flexible customization options, and stable cooperation with leading domestic bus manufacturers, this driver door ensures both quality consistency and timely delivery. It is an ideal solution for OEMs and aftermarket customers seeking a cost-effective, high-quality driver door for Jingma Coaster bus models.