Full Container of KS Standard Hex Head Bolts Shipped to Korea from Zitai Fastener

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 Full Container of KS Standard Hex Head Bolts Shipped to Korea from Zitai Fastener 

2026-08-03

Full Container of KS Standard Hex Head Bolts Shipped to Korea from Zitai Fastener
Formal Letter to Korean Client
Dear Valued Korean Customer,
We are pleased to formally inform you that the high-strength hex head bolts together with matching nuts, flat washers and spring washers ordered by your company have completed production, full quality inspection and export packaging in strict accordance with your order technical specifications and Korean KS standards. The goods were loaded into full containers at China’s port today and shipped directly to South Korea. Every product embodies our relentless pursuit of superior quality, and stands as our solid commitment to supporting the manufacturing and infrastructure development in your country.
Full Container of KS Standard Hex Head Bolts Shipped to Korea from Zitai Fastener
To fully meet the stringent requirements on precision, mechanical strength and corrosion resistance of Korean construction projects and equipment assembly, we implemented full-process refined quality control over every detail of this shipment:
1. Precision Manufactured Products with Outstanding Performance
The hex head bolts supplied this batch are manufactured in compliance with KS B 1002 and its equivalent international standard ISO 4014. Premium carbon steel and alloy steel substrates including SWRCH35K and SCM435 are adopted. Through multiple cold heading or hot forging forming procedures, precision thread rolling and quenching & tempering heat treatment, the finished bolts reach Grade 8.8 / Grade 10.9 mechanical performance with excellent tensile strength, yield strength and fatigue resistance.
The hexagon head design delivers firm wrench clamping, accurate torque transmission and reliable pre-tightening force, ideal for steel structure connections, heavy machinery assembly, machinery production and various construction installation works.
Hot-dip galvanizing surface treatment confirmed by your firm is applied to all items, complying with KS D ISO 1461. The uniform, compact coating boasts strong adhesion and superior salt spray resistance, enabling stable long-term service amid coastal, industrial and variable seasonal temperature environments across South Korea. Each piece is marked with clear material labels and traceability codes for full lifecycle quality tracking.
2. Professional Export Packaging for Damage-Free Delivery
All goods are packed with export-grade fumigation-free reinforced wooden cases or heavy-duty cartons mounted on pallets with pressure-resistant structural design. Bolts are sorted and layered by diameter, length and thread pitch inside packages. High-quality wooden spacers and heavy-duty plastic separators are placed between layers and secured with strapping belts to eliminate thread abrasion and coating scratches caused by collision during transit.
Prior to packaging, all fasteners are coated with anti-rust oil and wrapped in VCI volatile anti-rust paper, with sufficient desiccants placed inside each carton to resist moisture and salt spray during long-distance ocean transportation.
Full Container of KS Standard Hex Head Bolts Shipped to Korea from Zitai Fastener
Clear bilingual Korean-Chinese markings covering product specifications, material grades, quantities, batch numbers and designated shipping marks are printed on all six sides of outer packages, facilitating rapid identification, accurate counting and efficient warehousing upon arrival at Korean ports.
3. Efficient Transparent Sea Logistics
The cargo is loaded into a 40ft high cube container and carried by shipping lines with extensive experience operating China-South Korea routes. Vessel destination will be Busan Port or Incheon Port. Leveraging frequent, mature China-Korea liner services, the overall transit time is estimated at 7–10 days.
Container number, vessel name, voyage number, bill of lading number and a real-time cargo tracking link have been sent to you via dedicated email. You may log onto the carrier’s official website anytime to monitor shipment status and make advance arrangements for customs clearance, container pickup and inland delivery.
4. Complete Documentation for Smooth Customs Clearance
To ensure seamless import clearance in South Korea, we have prepared a full set of documents complying with Korean customs regulations, including detailed commercial invoice, itemized packing list, certificate of origin, material & mechanical property test reports, hot-dip galvanizing inspection certificate (KS D ISO 1461 compliant) and original ocean bill of lading. Hard copies travel with the container while scanned electronic versions were delivered to your designated mailbox in advance to speed up customs inspection and clearance upon vessel arrival.
Though small in size, every hex bolt is critical to the safety and stability of entire structures. We sincerely appreciate your trust and partnership.
Full Container of KS Standard Hex Head Bolts Shipped to Korea from Zitai Fastener
Please feel free to contact our dedicated account manager or international logistics team for any support required while the shipment is en route — we provide 24-hour response service.
We wish smooth vessel arrival and complete success for all your ongoing projects. We look forward to deepening our long-term cooperation and jointly delivering robust, reliable engineering solutions.
Best regards,
Handan Zitai Fastener Manufacturing Co., Ltd.
International Sales & Logistics Department
August 3
Contact Information
Handan Zitai Fastener Manufacturing Co., Ltd.
Phone: +86-13315035610
Phone: +86-15703247956
Email: ztfasteners@163.com
All inquiries will be responded to within 24 hours

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