Our Service Processes
Our free service Email:export@dlybearing.com
Pre-sales Consultancy
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Confirmation of order
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Production
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Multi-Channel Shipping
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Confirmation of receipt
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After-sale Services
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FAQ
This FAQ page answers common questions about DLY linear motion products, including Ball Screws, Linear Guides, Ball Nuts, Linear Blocks, Optical Shafts, and more. If your question is not listed here, please feel free to contact us or leave a message, and we will respond as soon as possible.
1️⃣ Product Models & Precision
Q: What precision grades are available for DLY ball screws?
A: DLY offers C3, C5, C7, and C10 precision grades, suitable for high-precision CNC machines and general automation equipment.
Q: What precision grades are available for DLY linear guides?
A: DLY linear guides are available in H, P, and SP precision grades, meeting requirements from high-precision machinery to general industrial automation.
Q: Are DLY ball screws and linear guides compatible with major brands?
A: DLY ball screws are compatible with common TBI models as replacement options, and linear guides are compatible with common HIWIN models. All DLY products are factory-made and have no affiliation with TBI or HIWIN.
Q: How to select the right ball screw, linear guide, or block for your equipment?
A: Selection depends on load, travel, speed, and installation space. DLY provides online selection guidance and technical support to help you choose the best fit for various machinery and automation applications.
2️⃣ Custom & Non-Standard Products
Q: Can DLY customize ball screw length, nut design, linear block, or shaft?
A: Yes, we support full-size customization, dual nuts, preload adjustment, special materials, non-standard blocks, and shafts according to CAD drawings.
Q: What is the minimum order quantity for custom products?
A: The minimum order can be as low as 1 piece for sample use. DLY aims to build long-term partnerships and provides the best pricing according to order volume.
3️⃣ Wholesale & Inventory
Q: Does DLY support bulk purchasing?
A: Yes, we support both small sample orders and large-volume orders with competitive pricing, reliable delivery, and consistent product quality.
Q: What is the inventory status and delivery time?
A: Standard models are in stock, with a typical delivery time of 10–15 working days. Custom or large-volume orders are scheduled per contract.
Q: Can DLY provide OEM or private label services?
A: Yes, we offer English labeling, neutral packaging, and private label options suitable for global sales and branding.
4️⃣ Quality & Certification
Q: How is product quality ensured?
A: All products undergo strict inspection, including lead accuracy, preload, nut smoothness, and linear block operation. DLY follows ISO9001 quality standards.
Q: What is the product lifespan and recommended maintenance?
A: The lifespan of DLY products depends on load, operating conditions, and lubrication. To ensure optimal performance, regular inspection and lubrication are recommended. For environments with dust or corrosive elements, appropriate protective measures-such as seals or covers-can help maintain smooth operation and extend service life.
5️⃣ Technical Support & After-Sales
Q: Can DLY provide technical support, drawings, or selection guidance?
A: Yes, we provide online technical support, selection guidance, and standard CAD drawings, dimension tables, and installation instructions.
Q: How to handle quality issues?
A: DLY offers a 12-month warranty. Any quality issues are handled promptly through our after-sales service.
6️⃣ Pricing & Cooperation
Q: How is pricing for bulk orders determined?
A: Pricing depends on product model, precision grade, order quantity, and customization. We provide the best pricing based on order volume.
Q: Can I establish long-term cooperation with DLY?
A: Yes, as a factory-based supplier, DLY supports long-term cooperation agreements, ensuring priority production, stable inventory, and bulk order benefits.
7️⃣ Company Strength & Credentials
Q: What type of supplier is DLY?
A: DLY is a factory-based manufacturer founded in 2005, specializing in ball screws, linear guides, linear blocks, and shafts, with over 20 years of industry experience.
Q: What is DLY's production capacity?
A: The factory covers over 30,000 m², equipped with high-precision machining and inspection equipment. Annual production of ball screws and linear guides is among the top in China, ensuring timely delivery for large orders.
Q: What certifications and patents does DLY have?
A: DLY holds ISO9001 and information security system certifications, owns 60+ patents including 14 invention patents, and is a member of China Machine Tool & Tool Industrial Association and a national high-tech enterprise.
Q: Why choose DLY?
A: As a factory-based supplier, DLY provides stable supply, bulk discounts, fast delivery, technical support, and long-term cooperation options, offering reliable, cost-effective linear motion solutions for global industrial automation clients.
8️⃣ Payment, Shipping & Packaging
Q: Payment Methods
A: T/T, PayPal, or Credit Card. Other payment methods can be arranged depending on the situation.
Q: Shipping Methods
A: DHL, FedEx, UPS express, air freight, sea freight, or customer-designated freight forwarder.
Q: Delivery Time
A: Depends on shipping method and distance. Please check the specific situation for each order
Q: Packaging
A: Standard: plastic bag + foam + wooden box. Custom packaging is also available.Available for branding or special requirements. Contact us for details.