about CAROSUNG
Our 3,000㎡ standardized hardware factory in Guangzhou runs 3 full production lines with advanced manufacturing equipment and over 100 skilled craftsmen. Specializing in titanium, stainless steel, solid brass fittings and matching custom leather belts, we act as a reliable custom metal accessories development partner trusted by fashion designers, apparel brands and leather goods manufacturers worldwide. Every product undergoes strict multi-stage QC to deliver consistent premium custom hardware solutions.
Your Trusted Partner for Custom Metal Accessories
Guangzhou Carosung International Import & Export Co., Ltd. is a professional manufacturer and exporter of premium bag hardware, belt buckles, and custom metal accessories.
With a 6,000㎡ production facility equipped with advanced CNC machines, polishing equipment, and automated production lines, we deliver high-quality solutions for fashion, luggage, and apparel brands worldwide. Our in-house R&D team combines innovation with fashion trends to develop premium hardware products, while our strict quality control and full compliance with REACH/RoHS standards ensure every item meets global market requirements. We offer flexible OEM/ODM services, efficient logistics, and dedicated support, making us your reliable partner for custom metal accessories.
Corporate Culture More Than a Supplier
To be the world’s preferred partner for premium hardware and buckle solutions, setting the industry benchmark through innovation, craftsmanship, and reliability.
We pursue innovation and strict quality standards, focusing on details to create value for our clients and grow together with global partners.
Core Values
Continuously explore new materials, designs, and processes.
Every product undergoes rigorous, traceable QC checks.
We succeed only when our clients succeed.
Details matter, from edge finishing to surface treatment.
Our JourneyFrom Humble Start to Global Recognition
Company Start-up
In 2005, we started with a around 300㎡factory making leather belts and buckles. Small but driven, we mastered precision and quality. Today, we've grown into a 3,000+㎡ facility with 100+ skilled workers, yet our craftsmanship remains as dedicated as day one.
Design team established
Design team established, opening the route to customization. Attended the China (UAE) Trade Fair 2018 in Dubai.Expanded factory to 1000㎡, registered 2 trademarks.
embarking on a new chapter of development.
The total area exceeds 3,000㎡, equipped with 3 production lines, over 100 employees, and a monthly output of 20,000 pieces. Relocated to Dongguan, Guangdong, embarking on a new chapter of development.
stands as a trusted partner for global brands.
Today, CAROSUNG stands as a trusted partner for global brands. We continuously deliver premium customized hardware solutions, from design to delivery. With advanced facilities, strict quality control, and a passionate team of 100+ employees, we turn visions into precision-crafted hardware that elevates luxury accessories worldwide.
2005
2015 - 2019
2021
Now
Our AdvantagesWhy Choose Carosung As Your Partner?
We are a professional ODM/OEM manufacturer of custom bag hardware and belt buckles, offering high-quality, compliant, and fast-turnaround solutions for global fashion brands.
Full-Scale Production Capacity
Our factory operates three fully automated production lines, designed to handle a wide range of hardware products, from belt buckles to custom metal components. This has greatly enhanced our production efficiency, ensuring fast turnaround without compromising quality. Whether you need small batch customization or high-volume mass production, our standardized lines deliver consistent output, reduced lead times, and cost-effective manufacturing for global buyers.High-Precision Hardware Machinery
We invest in advanced CNC centers, automatic polishing systems, and high-tonnage stamping presses. This precision machinery enables us to achieve tolerances as tight as ±0.05mm, perfect for luxury brand hardware. Each machine is regularly calibrated and operated by trained technicians. From complex engraving to mirror-like surface finishing, our equipment ensures every product meets the exact specifications of your design drawings, repeatable, reliable, and more accurate.Skilled & Experienced Workforce
Our team of over 100 experienced workers is the backbone of our production. Many have more than a decade of hands-on expertise in hardware manufacturing. They work across assembly, quality inspection, machine operation, and packaging. Combined with lean management practices, our workforce ensures on-time delivery rates above 98%. Every worker undergoes regular training in quality standards and safety protocols, so your orders are handled with care, speed, and professionalism.Strict Standardized QC System
Quality is not an afterthought, it's built into every step. Our comprehensive QC system covers incoming material inspection (IQC), in-process checks (IPQC), and outgoing final testing (OQC). We use digital gauges, salt spray chambers, tensile testers, and visual inspection under standardized lighting. Every batch is traceable. By following ISO 9001:2015 and REACH/RoHS standards, we guarantee that each product meets your durability, safety, and aesthetic requirements, with zero compromise. Our ClientsTrusted By 200+ Global Leading Brands
Over the years, we have built stable long-term OEM & ODM partnerships with numerous well-known fashion, leather goods and sports brands worldwide. Our finished hardware & belt accessories are widely exported to Europe, North America, Middle East and Southeast Asia.
Due to the confidentiality agreements we have signed with many of our clients, and in order to protect our partners' commercial privacy, please forgive us for not being able to disclose their brand identities here. Certifications ObtainedRecognized Quality, Certified Strength
We hold internationally recognized certifications that validate our commitment to excellence. CAROSUNG is ISO 9001:2015 certified for quality management, ensuring every hardware component meets strict standards. Our products fully comply with REACH and RoHS environmental regulations, safe for EU and North American markets. We have passed BSCI social compliance audits, reflecting ethical manufacturing practices. Additionally, regular third-party tests by SGS and TÜV (salt spray, tensile strength, abrasion) guarantee durability. From materials to finished buckles, our certifications are your assurance of reliable, responsible, and premium hardware solutions.
Contact UsDo you have any questions? Contact us now.
We are a professional ODM/OEM manufacturer of custom bag hardware and belt buckles, offering high-quality, compliant, and fast-turnaround solutions for global fashion brands.
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