How to Stock Spare Parts for Folding Door After-Sales Support

Building an effective spare-parts inventory for folding door after-sales service requires project-based verification. Since the available product record describes a sliding door rather than a dedicated folding door system, do not rely on a generic list. Review the original BOM, approved drawings, installed configuration, dimensions, surface finish, and installation conditions before ordering replacement parts.

Recommended Stocking Strategy

A practical after-sales inventory should be organized into three controlled categories: aluminum profile sections, compatible hardware, and glazing-related materials. Each item must be traceable to the relevant project and checked against the system already installed at the site.

• Use the project BOM and installation records as the primary source for identifying replacement requirements.
• Stock aluminum profiles only after confirming the section, dimensions, wall thickness, finish, and folding-door opening arrangement.
• Check that replacement hardware matches the installed OPK Perfect System configuration.
• Plan inventory according to the application, such as balcony partitions, kitchen dividers, walk-in closets, courtyard entrances, exhibition halls, or office reception areas.

Technical Information for Compatibility Checks

The available product data can support preliminary technical checks, but it should not be treated as a complete folding-door spare-parts schedule. The referenced specifications include a 2.0 mm main thickness, a 140 mm by 23 mm side section, a 40 mm by 16 mm hook section, glazing rebates of 11.5 mm and 26 mm, material data of 4.6 kg/m², and OPK Perfect System hardware.

When replacing an aluminum profile, compare these reference values with the actual installed product. Also verify the opening direction and folding arrangement, profile length, alloy or finish requirements, glazing dimensions, and any project-specific machining. The source data does not identify separate folding-door part numbers, recommended quantities, or a complete maintenance package.

Hardware and Glazing Considerations

Hardware replacement should begin with an inspection of the installed system. Confirm the rollers, hinges, locks, guides, handles, seals, and other operating components before dispatching parts. The OPK Perfect System reference indicates the expected hardware platform, but the exact component must still be matched to the project configuration.

Glazing-related replacements also require careful measurement. Confirm whether the installation uses the 11.5 mm or 26 mm rebate, then check glass thickness, panel dimensions, seals, beads, and clearance requirements. These checks help prevent incompatible parts from entering the service inventory.

Quality and Service Support

Xinhe Aluminium reports a quality-control process that combines 100% inspection on production lines, laboratory sampling and testing, and inspection of incoming raw materials. The company also lists the CNAS Laboratory Accreditation Certificate, certificate number CNAS L 10434, and the Quality Management System Certificate under GB/T 19001-2016/ISO 9001:2015.

Its project references also illustrate procedures that are useful for after-sales coordination. During the Makassar ATX Project Exterior Wall Project, a dedicated contact managed sales, production, delivery, and issue resolution. For the 2514 SGP01A Dayone Singapore Data Centre project, aluminum profiles were protected with kraft-paper wrapping and foam corner protectors during transportation.

Spare-Parts Verification Table

Frequently Asked Questions

Can sliding-door spare parts be used for folding-door service?

Not automatically. The supplied record concerns a sliding-door product, so its specifications should be used only for preliminary reference. Folding-door compatibility must be confirmed through the project BOM, installed hardware, and site measurements.

What should be verified before replacing a profile?

Review the main thickness, side and hook dimensions, glazing rebate, material data, profile length, opening configuration, surface finish, and all dimensions recorded for the individual project.

How can replacement hardware be coordinated efficiently?

Record the installed hardware configuration, identify the failed component, compare it with the OPK Perfect System reference, and confirm the exact replacement before shipment. Clear project records and a dedicated service contact can reduce delays.

Conclusion and Procurement Recommendations

Folding-door after-sales inventory should be built from verified project information instead of an assumed universal parts list. Maintain controlled categories for aluminum profiles, compatible OPK Perfect System hardware, and glazing materials, while confirming every replacement against the installed system and approved dimensions.

Xinhe Aluminium states that it supports distribution and direct sales, with a minimum order quantity of 3 tons for aluminum profiles and an estimated delivery period of 15–20 days. For technical assistance or project-specific solutions, contact xh@xinhealuminium.com.

About Us

Guangdong Xinhe Aluminium Co., Ltd specializes in the research, development, and manufacture of building, decorative, and industrial aluminum alloy profiles. Founded in 1998, the company reports an annual production capacity of 200,000 tons and supplies architectural, window and door, curtain wall, decorative, furniture, industrial, special alloy, custom extrusion, and surface-treated aluminum profiles. Its stated capabilities include a CNAS-accredited national laboratory and cooperation with universities and research institutions. The company also lists SIRIM and Qualicoat certifications and serves customers in multiple industries.