Indonesian fire-door OEMs migrating from European silicone to Chinese 2K PU? SNI 8 compliance, 60-min E/I rating tips, container pricing, supplier switching steps.
Yongjia Polyurethane Co., Ltd is a China-based manufacturer of high-performance PU adhesives for SIP panels, sandwich panels, fire doors, honeycomb composites and cold storage. Trusted by industrial bonding teams across 20+ countries.
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