FAQ
Shandong Mingrui Steel Plate Co., Ltd. — Modern Steel Manufacturing Base in Binzhou, Shandong, China
Frequently Asked Questions
Yes, we have extensive experience exporting to Southeast Asian markets including Vietnam, Thailand, Indonesia, the Philippines, and Malaysia. Each coil is wrapped with anti-moisture paper, protected by metal edge protectors, and secured with steel strapping. Standard export packaging includes waterproof plastic film, kraft paper, and wooden or metal pallets (or eye-to-sky / eye-to-wall loading per customer preference). We provide full export documentation including commercial invoice, packing list, bill of lading, certificate of origin, and quality test report to ensure smooth customs clearance in destination countries.
For standard RAL colors and common specifications, our MOQ is 5 metric tons per color. For custom colors or special formulations, the MOQ is typically 20–30 metric tons. Standard lead time is 7–15 working days for stock items and 15–25 working days for custom production. We also offer flexible order consolidation — multiple colors or specifications can be combined in a single container shipment to help you optimize logistics costs.
Mingrui color coated steel coils comply with major international standards including ASTM A755/A755M, ASTM A653, ASTM A792, JIS G3312, and EN 10169. Our production facilities are ISO 9001 certified, and products undergo full quality inspection including T-bend testing, impact resistance, color difference evaluation (ASTM D2244), and accelerated weathering tests (ASTM D4587). We also provide SGS, BV, and TÜV third-party inspection reports upon request, and can support SNI (Indonesia), TCVN (Vietnam), and other regional certification requirements.
Absolutely. Our color coated steel is engineered specifically for high-humidity, high-salt-spray environments. Standard PE-coated products pass 500+ hours of salt spray testing (ASTM B117), while our PVDF-coated galvalume coils achieve 1,000+ hours — meeting ISO 12944 C4–C5 corrosion protection levels. For coastal projects within 1km of shorelines, we recommend AZ150 galvalume substrate with PVDF coating, which delivers 25–40 years of service life in marine environments.
It depends on your application and environment. PE (Polyester) is the most cost-effective option, ideal for indoor use and general outdoor applications with moderate weather exposure. SMP (Silicon-Modified Polyester) offers improved hardness and heat resistance, making it suitable for industrial roofing and appliance casings. PVDF is our premium coating with exceptional weather resistance, color retention, and chemical durability — recommended for coastal areas, high-end architectural projects, and applications requiring 15+ years of service life. For Southeast Asia's tropical climate, we generally recommend SMP for inland projects and PVDF for coastal installations.
Mingrui supplies color coated steel coils (PPGI & PPGL) with thickness ranging from 0.12mm to 1.5mm and width from 600mm to 1250mm. We offer various zinc/Al-Zn coating weights (Z40–Z275 / AZ30–AZ150), multiple coating types (PE, SMP, PVDF), and over 100 RAL colors. Custom sizes, patterns (wood grain, stone texture), and special formulations are also available upon request.
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