Xuchang Chengrui Insulation Materials Co., Ltd.
Henan Province, China
SEND SMS
Aisyah Rahman never imagined her family’s electrical insulation business would face extinction. For 22 years, InsulTech Malaysia had supplied PVC-coated fiberglass sleeving to automotive wiring harness manufacturers across Johor’s industrial belt. But by 2023, the 43-year-old managing director found herself trapped between disgruntled clients and unreliable suppliers. Local producers, once her steadfast partners, delivered sleeves with erratic wall thickness – some as thin as 0.15mm against the contracted 0.25mm. This inconsistency caused insulation failures in motorcycle ignition cables during monsoon season humidity spikes, leading to a devastating 14%, return rate.
The Cost of Compromise
When Aisyah’s long-term client Proton Holdings suspended orders after a recalled batch of EV charging port sleeves, she realized her survival hinged on drastic changes. Her attempts to source from Vietnamese suppliers backfired spectacularly – the sleeves’ PVC coatings emitted toxic fumes when exposed to temperatures above 90°C, violating Malaysia’s Occupational Safety and Health Act. Meanwhile, European alternatives priced eroded her margins to a unsustainable 6%,
.A Turning Point at Penang’s Tech Expo
During a coffee break at the 2024 Penang Electrical Components Summit, Aisyah overheard engineers from a Medini-based drone manufacturer praising Chengrui’s “military-grade sleeving.” Intrigued, she visited Chengrui’s booth where manager Jessica demonstrated a side-by-side comparison: their sleeving retained flexibility at -30°C versus competitors’ brittle samples. What truly caught her attention was Chengrui’s proprietary "Triple-Weave" technology – fiberglass strands braided at 60° angles for optimal tensile strength without compromising bend radius.
Validation Through Rigorous Testing
l Skeptical but hopeful, Aisyah requested samples of 6mm orange PVC sleeving. Chengrui shipped them within 72 hours. At Universiti Teknologi Malaysia’s materials lab, technicians subjected the sleeves to brutal assessments:1,000 hours in salt spray chambers simulating coastal installations
l 500 thermal cycles between -40°C and 125°C
l Flammability tests exceeding IEC 60695-11-10 standards
The results stunned Aisyah’s team: smoke density reduced by 38%, compared to local products, critical for tunnel wiring applications. The PVC coating showed zero cracking even after 15,000 flex cycles – triple her clients’ requirements.
Strategic Partnership, Localized Solutions
Chengrui’s responsiveness during the Ramadan period cemented Aisyah’s trust. When her client Bosch Malaysia urgently needed 8,000 meters of anti-static sleeving for semiconductor cleanrooms, Chengrui’s R&D team modified their formulation within 48 hours, embedding carbon fibers without altering the 0.55mm ±0.03mm diameter tolerance. Their bulk pricing model proved transformative: orders above 20,000 meters dropped costs to RM 2.85/meter – 31%, below local suppliers.
Operational Transformation
l By Q3 2024, InsulTech Malaysia achieved:92%, reduction in customer returns
l 19%, gross margin expansion through just-in-time deliveries
l Contracts with 3 Tier-1 automotive suppliers leveraging Chengrui’s RoHS 3.0 certifications
Chengrui’s technical workshops in Shah Alam further empowered Aisyah’s team. Engineers trained her staff on proper sleeving storage (maintaining 30-50%, humidity) and installation techniques for high-vibration environments, resolving 80%, of field application issues.
Previous Article: Insulation Fiberglass Sleeving Peru
Next Article: Polyester Film Vietnam
