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About Us: Your Premier Custom Backpack Manufacturer & OEM/ODM Partner
Founded in 2011, IN-BOOM TECHNOLOGY CO., LIMITED (Hong Kong) serves as our international design, corporate governance, and global client relations hub. As a leading custom backpack manufacturer, we specialize in transforming complex corporate visions into market-ready, elite-tier carry solutions. Through our official B2B platform at custombackpackmfg.com, global brand owners and retail chains connect directly with our robust manufacturing ecosystem.
To ensure seamless synchronization between high-end product engineering and state-of-the-art mass production, we operate two robust, wholly-owned manufacturing bases in mainland China, allowing us to strategically scale from agile, high-mix custom runs to massive, enterprise-level retail orders:
Our Precision & Specialty Base (Dongguan, China): A modern 1,500-square-meter facility driven by 50 highly skilled industrial technicians and seamsters, specializing in high-end, precision cut-and-sew assembly, rapid prototyping, and meticulous pre-shipment quality inspection.
Our Megascale & Retail Base (Hunan, China): Spanning an impressive 20,000 square meters and powered by a dedicated team of 350 professional factory workers, this heavy-duty facility specializes in high-volume production. It proudly operates as an audited supplier equipped with official factory inspection reports to meet the absolute highest standards of global retail distribution.
With a proud 15-year heritage of excellence, we deliver exceptional, client-centric service to prominent brands across North America, Europe, and Japan.
Our Comprehensive Cut-and-Sew Product Portfolio
Equipped with advanced sewing technology across our specialized production lines, as a trusted custom backpack manufacturer, we produce a diverse catalog tailored to premium and mass-market segments alike:
Corporate, Tech & Commute: Business & Commuter Backpacks, Tech Daypacks
Academic & Lifestyle: School & Campus Backpacks, Lightweight Daypacks
The Core Advantages of Partnering with Our Manufacturing Group
When global brands source from custombackpackmfg.com, they gain a competitive edge rooted in elite craftsmanship, dual-factory flexibility, strict IP protection, and logistical agility:
Advanced OEM/ODM Engineering: We do more than just replicate samples. Our team specializes in translating technical design packs (Tech Packs), sketches, or physical reference samples into production-ready patterns, ensuring meticulous attention to stitching, hardware reinforcement, and ergonomic weight distribution.
Dual-Factory Agility (Low MOQ to Mass Volume): Backed by our lean Dongguan facility and mega-scale plant, we offer unparalleled production flexibility. We support agile brands with low Minimum Order Quantities (starting at 300 units) to minimize inventory risk, while easily absorbing high-volume, multi-container orders for global retail chains.
Ironclad Intellectual Property Protection (NDA Friendly): We operate under the strictest standards of global business ethics. We routinely sign and uphold Non-Disclosure Agreements (NDAs), ensuring your proprietary tech, custom fabrications, and bespoke aesthetics remain 100% exclusive.
Rigorous Quality Management System (QMS): Our multi-stage inspection process covers incoming material inspection (IQC), in-line production monitoring (IPQC), and 100% final quality assurance (FQA) before packaging. This uncompromising focus on defect-free output is why we successfully pass the rigorous standards required by the Japanese and global retail markets.
Global Compliance, Sustainability & Material Certifications
We build long-term enterprise trust by ensuring your entire outsourced supply chain is completely transparent, ethical, and legally compliant with international consumer safety laws:
Social & Factory Audits: Audited manufacturing facilities (with complete inspection reports), BSCI Certified facilities, and Disney FAMA Authorized Manufacturer status, guaranteeing ethical labor practices and safe working conditions.
Chemical & Product Safety: 100% compliant with California Proposition 65, RoHS, and REACH regulations, ensuring all non-toxic fabrics, zippers, and metals are safe for global distribution.
Sustainable & Eco-Friendly Manufacturing: As a GRS (Global Recycled Standard) Certified supplier, we excel in sourcing and manufacturing with authentic eco-friendly, ocean-bound plastic, and RPET recycled fabrics to meet your brand’s green supply chain initiatives.
Basic Information
Company Name:
Dongguan Changrong Gift Co., Ltd.
Business Type:
Manufacturer
Brands:
IN-BOOM
Employee Number:
50~100
Year Established:
2009
Total Sales Annual:
10,000,000US$-20,000,000US$
Company Location:
Room 301, Block 1, Hehe Technology Park, No. 743 Guantai Road, Baihao, Houjie Town, Dongguan City, Guangdong Province, 523940, China
Factory Location:
Room 301, Block 1, Hehe Technology Park, No. 743 Guantai Road, Baihao, Houjie Town, Dongguan City, Guangdong Province, 523940, China
Trade & Market
Company slogan:
Your Premier Custom Backpack Manufacturer & OEM/ODM Partner
OEM Overview:
Full-Service OEM & ODM Capabilities
We offer comprehensive, end-to-end manufacturing solutions that bridge the gap between creative concepts and market-ready, commercialized products. Whether you require exact-spec replication or full-scale product development, our engineering team ensures elite execution.
We transform your complete design files and tech packs into high-performance physical products with strict adherence to your brand’s blueprint.
Tech Pack & Blueprint Translation: Our engineers seamlessly analyze your technical drawings, bill of materials (BOM), stitching guidelines, and structural callouts to ensure flawless execution.
Sample Duplication & Reverse Engineering: Provide us with an existing physical reference sample, and our sample room can perfectly replicate its construction, reinforcing weak points and optimizing material efficiency for mass assembly.
Bespoke Branding & Customization: We offer a massive range of private-label customization options, including custom-branded hardware, specialized zippers (YKK, SBS, etc.), embossed/printed logos, woven labels, and custom molded zipper pulls.
If you have an idea, a rough sketch, or want to expand your existing product line, our team provides the creative development and material expertise to build it from scratch.
Concept-to-Prototype Development: We take rough concept sketches, mood boards, or functional descriptions and turn them into 3D-mapped patterns and physical prototypes.
Advanced Material & Trim Sourcing: Leveraging our massive supply chain network, we source specialized fabrics tailored to your functional needs—ranging from heavy-duty tactical materials and water-resistant coatings to certified GRS eco-friendly fabrics (RPET) and premium vegan leathers.
Ergonomic & Structural Optimization: We don't just design for looks; we design for utility. Our team optimizes weight distribution, engineer breathable foam mesh backing systems, and configure smart internal organization (laptop sleeves, tech pockets, shoe compartments).
????️ Our Seamless 4-Stage Development Workflow
To guarantee accuracy and speed up your time-to-market, every custom project follows a streamlined pipeline:
Rapid Prototyping & Sampling: Our dedicated sample room fabricates a physical counter-sample for your hands-on evaluation, fit-testing, and aesthetic approval.
Material Procurement & Lab Testing: Upon sample approval, bulk materials are ordered and subjected to strict incoming quality control (IQC) tests for color matching, tensile strength, and water resistance.
Pre-Production Run (PPR): Before full-scale mass production, we run a mini pre-production batch on the line to calibrate our automated machinery, finalize stitch paths, and establish the golden standard for final quality assurance.
Production Line:
Advanced Production Lines & Manufacturing Capacity
Our manufacturing infrastructure is split across our two specialized production bases, designed to deliver maximum throughput, precision stitch control, and structural integrity for technical carry solutions.
Lean, High-Mix Lines (Dongguan Facility): Optimized for high-end, complex, and tech-heavy designs. This facility houses specialized sample-making lines and agile production lines configured for fast changeovers, lower MOQs, and intricate craftsmanship.
Mass-Scale, High-Volume Lines (Hunan Facility): Configured for maximum efficiency, continuous workflow, and large-scale retail replenishment. This facility utilizes automated, synchronized long-line setups specifically engineered to maintain consistent quality across multi-thousand unit runs for global retailers like Walmart.
Machinery & Technical Capabilities
To guarantee structural durability and uniform aesthetics, our production lines are equipped with industry-standard, precision machinery:
Automated Pattern Sewers & Programmable Bar-Tackers: For ultra-precise, heavy-duty reinforcement on critical stress points like shoulder straps, haul loops, and load-bearing webbing.
Heavy-Duty Synchronized Walking Foot Machines: Engineered to flawlessly sew through multi-layered heavy materials, dense foam paddings, and specialized technical fabrics (such as Cordura, ballistic nylon, and thick canvas).
Specialized Machinery: Equipped with hot-air seam sealing equipment for weatherproofing, automated fabric cutting tables for absolute dimensional accuracy, and dedicated hardware/rivet setting presses.
Workflow & Lean Manufacturing Principles
Our production floors operate under strict 5S Management and Lean Manufacturing methodologies to eliminate waste, prevent cross-contamination of materials, and ensure a smooth bottleneck-free workflow:
Material Kitting & Pre-Cutting: Fabrics are precision-cut using digital templates to reduce material waste, then kitted with all required hardware and zippers before hitting the line.
Sectional Component Assembly: Sub-assemblies (front panels, organizer pockets, back panels, and shoulder straps) are pre-constructed concurrently on specialized sub-lines.
Final Marriage & Structural Closing: The components flow into the main closing line where heavy-duty walking foot machines bind the entire backpack structure together.
In-Line Quality Checkpoints (IPQC): Quality inspectors are embedded directly into the production line at critical assembly junctures, catching and correcting any stitching deviations before the bag moves to final closure.
R&D:
Research & Development (R&D) & Innovation Capabilities
Our forward-thinking R&D department serves as the backbone of our manufacturing excellence. We continuously invest in advanced pattern engineering, high-performance material sourcing, and structural ergonomics to keep our clients ahead of global market trends.
Dedicated Sample Room & Prototyping Center
We operate an independent, fully-equipped R&D sample room separate from our mass production floor. This ensures that new product development receives the dedicated attention, precision, and agility required for rapid turnaround.
Elite Master Pattern-Makers: Driven by technical specialists with over a decade of experience in heavy-duty cut-and-sew architecture, our team can transform abstract design concepts into highly precise structural templates.
Rapid Sampling Turnaround: We understand the speed-to-market demands of modern B2B clients. For standard designs, we can deliver a physical prototype within 5 to 7 business days, accelerating your product approval cycle.
Pre-Production Refinement: Every prototype undergoes rigorous structural testing in our sample room to evaluate weight distribution, seam stress-resistance, and hardware alignment before mass assembly blueprints are finalized.
Advanced Material Exploration & Sustainable Sourcing
Our R&D team maintains deep, strategic partnerships with top-tier raw material mills to ensure our clients have immediate access to cutting-edge fabrications:
Eco-Innovation (GRS & RPET): We are at the forefront of green supply chain initiatives, continuously developing bag solutions utilizing Global Recycled Standard (GRS) certified recycled polyester, ocean-bound plastics, and sustainable organic canvases.
Technical & Weatherproof Fabrics: Our material library includes high-tensile 900D fabrics, TPU/PVC fully waterproof coatings, and advanced water-resistant treatments engineered to survive demanding everyday commutes or outdoor hiking.
Premium Synthetic Alternatives: We excel in formulating custom carryalls using ultra-durable Vegan & Faux Microfiber Leathers that deliver luxury aesthetics with commercial-grade durability.
Ergonomic Design & Functional Engineering
We design for peak human utility. Our engineering focus covers:
Load Distribution Systems: Creating S-curve ergonomic shoulder straps, breathable 3D air-mesh back panels, and chest/waist stabilization systems to optimize weight distribution and maximize wearer comfort.
We treat your intellectual property with the highest degree of corporate integrity. Our R&D facility operates under a Strict Confidentiality Protocol:
NDA Enforcement: We routinely execute and strictly enforce Non-Disclosure Agreements (NDAs) before accepting any client drawings, tech packs, or brand assets.
Isolated Data Management: Your custom designs, digital patterns, and custom-molded hardware blueprints are secured on restricted-access local servers, ensuring that your competitive edge remains 100% exclusive to your brand.
Service:
Founded in 2011, IN-BOOM TECHNOLOGY CO., LIMITED (Hong Kong) serves as your premier custom backpack manufacturer and strategic OEM/ODM partner. Through our official B2B platform at custombackpackmfg.com, we empower global brands and retail chains with elite-tier carry solutions, backed by a proven 15-year heritage of excellence.
Core Services & Capabilities:
Advanced OEM/ODM Engineering: We expertly translate Tech Packs, sketches, or reference samples into production-ready patterns, prioritizing ergonomic design, hardware reinforcement, and flawless stitching.
Dual-Factory Agility (Low MOQ to Mass Volume):
Dongguan Precision Base: Specializes in high-end, low-MOQ custom runs (starting at 300 units) and rapid prototyping.
Megascale Production Base: Spans 20,000 square meters with 350 skilled workers, optimized for high-volume, multi-container retail distribution.
Comprehensive Product Portfolio: From Business & Commuter Backpacks, Dry Bags, and Hiking Backparks to Duffle Bags, Tactical Gear, and Eco-friendly RPET Sustainable Carryalls.
Rigorous Quality Management System (QMS): Comprehensive multi-stage quality control—covering IQC, IPQC, and 100% FQA—meeting the stringent standards of North American and Japanese markets.
Global Compliance & Sustainability: Walmart-audited facility reports, BSCI certified, Disney FAMA authorized, California Proposition 65 & REACH compliant, and GRS (Global Recycled Standard) certified.
Ironclad IP Protection: Fully NDA-friendly to ensure your proprietary designs remain 100% secure and exclusive.
