Vastwin Industrial Development Co., Ltd.
Publicly listed company producing architectural hardware including window and door accessories, sliding systems, and security locks. Emphasizes material science R&D (e.g., zinc-aluminum alloys) and operates multiple ISO 9001/14001-certified production bases.
INDEPENDENT RESEARCH · NOT AFFILIATED, AUTHORIZED OR ENDORSED BY THIS COMPANYWhat this factory appears to do differently.
This brief is organized from Chinese public sources with domestic-model assistance. Every point remains tied to the source ledger and should be confirmed for the exact product and production site.
Publicly listed company producing architectural hardware including window and door accessories, sliding systems, and security locks. Emphasizes material science R&D (e.g., zinc-aluminum alloys) and operates multiple ISO 9001/14001-certified production bases.
Qualify by type, dimensions and duty cycle.
Bearing sourcing depends on the exact series, load, speed, clearance, sealing and application—not a broad product name.
What overseas buyers can investigate.
Product families are taken from reviewed public material. Exact model, material, standard, tolerance, certification, MOQ and capacity must be confirmed directly with the manufacturer.
security locks
75% public-evidence confidenceCompare related manufacturers →window stays
78% public-evidence confidenceCompare related manufacturers →door rollers
81% public-evidence confidenceCompare related manufacturers →extrusion
87% public-evidence confidenceCompare related manufacturers →anodizing
90% public-evidence confidenceCompare related manufacturers →How to test the claimed manufacturing capability.
This is a sector-specific buyer workflow, not a claim that every stage is performed in-house. Ask the company to identify internal and outsourced operations.
Ring preparation
Steel grade, forging route and material traceability
Heat treatment
Hardness profile and controlled furnace records
Grinding & finishing
Raceway accuracy, roughness and clearance control
Assembly & test
Noise, vibration, load and final inspection
A useful lead,
not a finished decision.
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Structured capabilities
sliding door hardware · security locks · window stays
Review capability map ↓Due-diligence gaps
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See what remains unknown ↓Products, processes and production signals
Products
Processes
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Evidence behind this profile
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浙江伟星实业发展股份有限公司 - 官方网站
This source was collected for research triage. The legal entity, website ownership, manufacturing role and product claims have not yet passed human review.
Open public source ↗What still needs verification
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