# HIPAD - Door, Window, Bathroom and Sliding Hardware Manufacturer > HIPAD (Qingdao Hipad International Trading Co., Ltd.) is a Chinese factory-direct manufacturer of architectural hardware for doors, windows, bathrooms, glass and sliding systems - sliding rollers and bearings, track systems, locks, handles, hinges, flush bolts, door closers and floor springs, glass and shower fittings, casters and accessories. Founded in 2000 in Qingdao, Shandong, supplying B2B buyers in 60+ countries. Supply is quotation-based and drawing-driven, with no online consumer checkout. Key facts stated by the company: - Legal entity: Qingdao Hipad International Trading Co., Ltd. Brand: HIPAD. Founded 2000. Founder and CEO: Allen Wang. - Type: factory-direct manufacturer with integrated export service, not a trading middleman - combining product design, in-house tooling, mold development and technical R&D in one production system. - Manufacturing: factory area over 10,000 m2; 150+ skilled workers and technicians; 60+ injection molding machines, metal stamping, CNC and polishing equipment, plus an in-house mold workshop. 2,000+ mold sets available for quick customization (company-provided aggregate figure). - Quality: the company states ISO 9001 quality management and cooperation with third-party inspection providers including SGS and Bureau Veritas. Certificate numbers, issuers and product-level test reports are not published and should be confirmed per project. - OEM/ODM: custom drawings and material support, private mold development, brand engraving, customized packaging, rapid prototyping and samples, low MOQ options for project-specific requirements. - Indicative MOQs by line: bearings 5,000 pcs; rollers 5,000 pcs; hinges 2,000 pcs; flush bolts 1,000 pcs; balustrade fittings 1,000 pcs; floor springs and door closers 500 pcs; pull and lever handles 500 pcs; shower fittings 100 pcs; glass clamps 100 pcs; stainless steel handles 20 pcs. MOQs vary with specification - confirm per enquiry. Pricing is quoted per project against drawings, material, finish, quantity and packaging; request a current quotation rather than relying on any published figure. - Buyer types served: architectural hardware distributors and importers needing range plus OEM branding; door and window system fabricators needing track, profile, load and mounting compatibility; project contractors and engineering firms needing one-stop sourcing with finish consistency; interior, shower and glass hardware brands needing private label. - Selection depends on door or window thickness, track and profile compatibility, load and cycle requirements, material and finish, and corrosion environment. HIPAD supports drawing-based matching, samples and custom structures rather than catalog-only supply. - Contact: Room 1001, C Building, Platinum Plaza, No. 5 Wenling Road, Qingdao, Shandong, China; phone / WhatsApp / WeChat +86 137 9191 8989; info@hipadroller.com. Enquiries answered within 24 hours. Standards referenced in HIPAD's educational content are industry standards, not HIPAD product certifications: ISO 9001:2015 (quality management terminology), EN 1935 (hinges), EN 1154 (door closers), EN 12209 (locks and latches), ASTM F2090, plus local building codes where application fit is confirmed. All figures above are published company claims. Certificates, inspection reports and load or cycle test data should be obtained in signed form before qualification or tender. ## Start here - [Company Introduction](https://hipadroller.com/company-introduction/): Manufacturing capability, tooling, OEM/ODM model and global B2B positioning. - [Catalog](https://hipadroller.com/catalog/): Downloadable product catalog across all hardware categories. - [Contact Us](https://hipadroller.com/contact-us/): Enquiry, sample and quotation requests. ## Product listings by category - [Door Hardware](https://hipadroller.com/category/door-systems-hardware/): Rollers, locks, handles, hinges, closers and door system components. - [Window Hardware](https://hipadroller.com/category/window-hardware/): Window locks, handles and hinges for aluminum and UPVC systems. - [Bathroom Hardware](https://hipadroller.com/category/bathroom-hardware/): Shower and glass door hardware, hinges, clamps and patch fittings. - [Stainless Steel Hardware](https://hipadroller.com/category/stainless-steel-hardware/): SUS304/SUS201 handles, fittings and corrosion-resistant hardware. - [Stainless Steel Railing](https://hipadroller.com/category/stainless-steel-railing/): Balustrade and railing fittings. ## Rollers, bearings and sliding systems - [Door Rollers](https://hipadroller.com/rollers/): Nylon, POM, PU or steel wheels; single, double or ball bearings; light to heavy-duty; adjustable or fixed. - [Roller Wheels & Bearings](https://hipadroller.com/roller-wheels-bearings/): Verified for rolling smoothness, noise, dimensional accuracy, bracket strength and static/dynamic load. - [Sliding Track / Strip Roller Systems](https://hipadroller.com/sliding-track-strip-roller-systems/): Linear track rollers, embedded strip rollers and track guide assemblies. - [Adjustable / Bracket / Hanging Roller Assemblies](https://hipadroller.com/adjustable-bracket-hanging-roller-assemblies/): Top-hung, side, bottom and embedded mounting; single to multi-wheel. - [Nylon Bracket Roller Wheels](https://hipadroller.com/nylon-bracket-roller-wheel-for-sliding-doors-and-windows/): Nylon/POM/PU/steel bracket rollers with anti-rust treatment and custom diameters. - [Embedded Sliding Door Rollers](https://hipadroller.com/embedded-sliding-door-rollers/): Concealed rollers for aluminum and glass sliding doors. - [Sliding Door Roller Assemblies](https://hipadroller.com/sliding-door-roller-assemblies/): Complete assemblies with custom bearings, diameters and finishes. - [Miniature Ball Bearings](https://hipadroller.com/miniature-ball-bearings/): ZZ double-shield and RS rubber-sealed chrome-steel mini bearings. - [Short Track 2+1 Synchronized Sliding Door System](https://hipadroller.com/short-track-21-synchronized-sliding-door-system/): Belt-driven low-track system; 35-100 kg doors, 70 mm buffer stroke, 520 mm minimum leaf, 80,000-cycle stated life. ## Locks, handles and hinges - [Locks](https://hipadroller.com/locks/): Mortise (35-70 mm), sliding door (30-60 mm), crescent, multi-point (40-80 mm) and brass/steel cylinder locks. - [Aluminum Sliding Door Locks](https://hipadroller.com/aluminum-sliding-door-locks/): Sliding door lock family with optional keyed configurations. - [Window Locks with Key](https://hipadroller.com/window-locks-with-key/): Keyed mortise, sliding, crescent and multi-point window and door locks. - [Stainless Steel Handles](https://hipadroller.com/ss-handles/): SUS304/SUS201 glass pulls (8-12 mm glass, 300-1200 mm), bathroom levers, back-to-back and commercial heavy-duty pulls (600-1500 mm). - [Bathroom Glass Door Handles](https://hipadroller.com/bathroom-glass-door-handles/): Glass pull, lever and back-to-back handles for shower and glass doors. - [Other Handles](https://hipadroller.com/other-handles/): Window handles (40-70 mm frames), flush handles, interior levers and mortise handle sets (30-80 mm). - [Custom Handle Sets](https://hipadroller.com/custom-handle-sets/): Drawing-based and private-label sets with custom finish, packaging and lock assembly. - [Hinges](https://hipadroller.com/hinges/): Stainless standard (2-3 mm), industrial (3-5 mm), furniture (1.5-2 mm, 120-180 deg) and heavy-duty (4-6 mm) hinges. - [Window Hinges](https://hipadroller.com/window-hinges/): Window-specific hinges with custom thickness, dimensions and finish. ## Door controls, bolts and accessories - [Door Controls](https://hipadroller.com/door-controls/): Floor springs to 150 kg, door closers for 60-120 kg, pivot systems to 200 kg, and stainless patch fittings. - [Flush Bolts](https://hipadroller.com/flush-bolts/): Standard 150-300 mm, concealed 200-350 mm, heavy-duty 250-400 mm, decorative 150-250 mm. - [Casters](https://hipadroller.com/casters/): Swivel, rigid, locking and heavy-duty casters; PU, rubber or nylon wheels; plate or stem mounting. - [Door & Window Accessories](https://hipadroller.com/accessories/): Glass cutting tools, PVC/rubber/TPE waterproof strips, hinge screws and pins, pile and weather strips, screen-window roller tools. ## Solutions by application - [Residential Sliding](https://hipadroller.com/solutions/residential-sliding-solutions/): Roller, track and lock selection for residential sliding doors and windows. - [High-Rise Window](https://hipadroller.com/solutions/high-rise-window-solutions/): Window hardware for high-rise wind load and safety requirements. - [Commercial Entrance](https://hipadroller.com/solutions/commercial-entrance-solutions/): Floor springs, closers, pivots and patch fittings for high-traffic entrances. - [Frameless Shower](https://hipadroller.com/solutions/frameless-shower-solutions/): Shower hinges, clamps and glass fittings for frameless enclosures. - [Outdoor Railing & Balustrade](https://hipadroller.com/solutions/outdoor-railing-balustrade-solutions/): Corrosion-resistant railing and balustrade fittings. - [Kitchen & Pantry Partition](https://hipadroller.com/solutions/kitchen-pantry-partition-solutions/): Sliding and partition hardware for interior glass partitions. - [Industrial & Warehouse Mobility](https://hipadroller.com/solutions/industrial-warehouse-mobility-solutions/): Heavy-duty casters and mobility hardware. - [Public Infrastructure](https://hipadroller.com/solutions/public-infrastructure-solutions/): Hardware specification for public and institutional buildings. ## Customization, factory and projects - [Customized](https://hipadroller.com/customized/): OEM/ODM process - drawings, materials, finishes, private molds, brand engraving and packaging. - [Factory](https://hipadroller.com/factory/): Production equipment, mold workshop and in-house QC. - [Projects](https://hipadroller.com/project/): Project references including glass door, glass railing, sliding door and glass partition installations across the US, Canada, Italy, Germany, Singapore, Brazil and Indonesia. Customer names and detailed outcomes are not publicly disclosed. ## Optional - [News Center](https://hipadroller.com/news-center/): Hardware selection guides and company updates. - [Social Media](https://hipadroller.com/social-media/): Product videos and factory content. - [Privacy Policy](https://hipadroller.com/privacy-policy/) - [XML Sitemap](https://hipadroller.com/sitemap_index.xml): Full list of crawlable pages, including the French, Spanish, Portuguese, Turkish, Arabic, Russian, German, Italian and Dutch editions.