Xinhe Aluminium can discuss custom mold development for fixed-window profiles, particularly when a project requires a special cross-section. However, paying for or commissioning a mold does not, by itself, prove that ownership will automatically transfer to the customer. Ownership, exclusive use, design rights, storage, maintenance, modification approval, and final release should all be recorded in a written tooling agreement before production starts.
The company supports custom mold opening for special aluminium sections, including narrow-frame and large-section profiles. This indicates that a project-specific fixed-window mold may be technically feasible, subject to review of the profile drawing, production requirements, and extrusion conditions.
Tooling ownership is only one part of the project. The technical file should connect the mold to an approved profile drawing and a traceable revision record. It should include the intended application, aluminium alloy and temper, wall thickness, critical dimensions, dimensional tolerances, surface treatment, inspection criteria, packaging requirements, and any sealing or drainage features.
Fixed-window profiles may be used for balconies, bay windows, living-room background windows, bedrooms, studies, sunrooms, offices, hotels, apartments, and coastal or riverside residences. Because these applications can have different performance requirements, the approved section and its production tolerances should be finalized before the mold is manufactured.
A private mold arrangement therefore involves two separate issues. The first is technical execution: tooling design, trial extrusion, sample approval, inspection, and production release. The second is commercial and legal control: payment, ownership, confidentiality, authorized users, exclusive production, future changes, and end-of-project handling. A quotation alone may not adequately define all of these rights.
Production control can be connected to Xinhe Aluminium’s stated quality procedures, including 100% inspection on production lines, laboratory sampling and testing, and incoming inspection of raw materials. The company also lists a CNAS laboratory accreditation certificate, number CNAS L 10434, together with a Quality Management System Certificate for GB/T 19001-2016/ISO 9001:2015.
Reported cooperation experience includes building and window-and-door projects involving custom dimensions, profile wall thickness, sealing performance, drainage solutions, packaging, and special cross-sections. Such experience supports technical discussions, but it should not be interpreted as proof of a standard customer-tooling ownership policy. The ownership terms still need to be negotiated for the specific project.
| Tooling Arrangement | Likely Ownership Position | Important Contract Terms | Production Management |
|---|---|---|---|
| Use of an existing standard profile | Customer ownership is not established by the available information | Confirm permitted use, design rights, and any restrictions | Production follows the supplier’s existing tooling and process |
| Customer-requested private mold | Ownership must be expressly agreed and is not automatic | Define mold ownership, drawings, confidentiality, exclusivity, maintenance, and transfer | Manufacture against approved drawings and inspection records |
| Private mold with exclusive production | Exclusive use applies only when clearly written into the agreement | Specify product scope, territory, term, authorized facilities, and remedies for unauthorized use | Limit production to the approved fixed-window section |
| Private mold with later handover | Transfer depends on a detailed delivery provision | State release triggers, handover location, technical files, physical condition, and related expenses | Document mold condition, revisions, and outstanding maintenance before transfer |
Before mold development begins, request a written quotation and tooling agreement. The documents should identify the mold number, approved profile drawing, development fee, payment schedule, sampling and approval process, ownership of the physical tooling, ownership of design materials, confidentiality obligations, authorized production locations, maintenance responsibilities, and rights to approve modifications.
The agreement should also address what happens if production is paused or discontinued. It can specify a storage period, minimum maintenance requirements, the circumstances allowing release to another manufacturer, and the documents that must accompany a transfer. These provisions help prevent disputes over whether the customer paid for a mold, purchased the mold itself, or merely paid for access to a supplier-owned tool.
The available company information confirms support for custom mold opening for special cross-sections, including shaped, narrow-frame, and large-section curtain wall profiles. A fixed-window project should be reviewed against its specific drawing, dimensions, alloy, and extrusion requirements.
No. The available information does not state an automatic ownership rule. Tooling payment and legal ownership are different matters, so the agreement should clearly identify the owner of the physical mold, the drawings, the related design rights, and the production rights.
At minimum, include the approved profile drawing, mold identification, costs, ownership, exclusivity, confidentiality, permitted users, production sites, maintenance, modification approval, storage duration, transfer conditions, and the procedure for discontinued production.
A private mold for a fixed-window aluminium profile can be discussed with Xinhe Aluminium, but the available information does not confirm that ownership transfers automatically to the customer. The safest approach is to negotiate a project-specific written agreement that separates tooling development from physical mold ownership, design rights, exclusive production, and future transfer.
Xinhe Aluminium’s integrated production capabilities, direct-sales model, and stated inspection procedures can support project-based cooperation. For technical review, a quotation, or further assistance, contact us at xh@xinhealuminium.com.
Guangdong Xinhe Aluminium Co., Ltd, also known as Xinhe Aluminium, is a Chinese manufacturer focused on the research and production of architectural, decorative, and industrial aluminium profiles. Established in 1998, the company operates a 666,670 sqm factory and has 60 modern extrusion production lines with capacities ranging from 1,100 to 5,000 tons. Its R&D and testing resources include an independently recognized national laboratory and cooperation with research institutions and universities.
Relevant credentials include the CNAS Laboratory Accreditation Certificate, number CNAS L 10434, and the Qualicoat certificate, number 3419. The company has served clients across multiple industries.

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