Powered by Made-in-China.com
. Premium Printing Machinery Sleeves for Enhanced Tension Control
US$30.90
100-199 Pieces
US$23.50
200-499 Pieces
US$5.60
500+ Pieces
Sample price:US$20.00/piece.Request sample
Product profile
Customization
AvailableStandard
DIN, ANSI, GB, JIS, BSW, ISOMaterial
Stainless Steel,Iron, AluminiumModel NO.
Expansion and Tensioning SleevesConnection
as Per RequirementSurface Treatment
as Per RequirementHead Type
as Per RequirementPackage
Suitalbe for Ocean and Air ShipmentOEM
AccetableODM
AcceptableFactory Tour
AcceptableSizes
Full RangeUsage
Various IndustiresSamples
AvailableAfter Sales Service
AvailableBore Diameter.
90mmMaximum Torque
100 NmOuter Race Size(mm)
47-355Thickness (mm)
26-84Weight (Kg)
0.2-19.2Transport Package
Woode BoxSpecification
100*100*100cmTrademark
OEMOrigin
ChinaProduction Capacity
1000000PCS/YearKey features
High Precision Locking: Maintains concentricity and minimizes radial runout between hub and shaft.
High Torque Capacity: Even pressure distribution ensures reliable torque transmission up to 100 Nm.
Quick Installation: Secures without keyways; tightening achieved via screws for easy removal.
Customizable Sizes: Bore diameter 10mm to 200mm; outer diameter customized to hub dimensions.
Durable Materials: Made from high-strength steel with optional heat treatment or corrosion-resistant coating.
OEM/ODM Support: Rich experience in OEM branding and custom packaging for world-famous brands.
Wide Application: Compatible with V-belt pulleys, gears, fans, pumps, and conveyor systems.
Strict Quality Control: Stable torque transmission ensured through rigorous manufacturing standards.
Company profile

Diligence & Fine Machinery (Qingdao) Co., Ltd.Shandong, China
Business Type: Manufacturer/FactoryNearest Port: Qingdao, Tianjin, ShanghaiAverage Response Time: ≤0.34hTerms of Payment: Small-amount payment, Western Union, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CIP
AI-Powered supplier vetting
SummaryDiligence & Fine Machinery (Qingdao) Co., Ltd. is identified as a China-based limited trading company established in 2025, focused on transmission components and broader industrial machinery. The supplier reports more than 10 production lines, 6–10 quality-control staff, annual capacity of up to 5 million pieces, and export sales representing 71%–90% of total sales. Its stated product range includes gears, pulleys, belts, couplings, shafts, flanges, locking devices, and non-standard parts. The supplier claims design capability through experienced engineers, advanced equipment, and the ability to provide non-standard products, but the evidence does not establish certifications, documented customer cases, or proven after-sales performance. The records also contain capacity inconsistencies and state zero total staff experience, limiting confidence in the scale and maturity assessment.
Supplier typeThe supplier is explicitly classified as a Trading Company and a limited company based in Qingdao, China. Its business description further states that it integrates manufacturing and sales of transmission components, with products mainly for export.
R&D capabilityThe supplier claims that transmission parts are developed and designed by capable and experienced engineers and that advanced equipment has been invested in. It also lists high-precision products and various non-standard parts, providing some evidence of design and engineering capability, but no patents, R&D data, or verified innovation results are stated.
Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, annual capacity of up to 5 million pieces, and stated outputs for shafts, couplings, belts, pulleys, and gears; export sales are reported at 71%–90%. However, the 112.2 m² plant area, zero reported total staff experience, and inconsistencies in the capacity entries reduce confidence in the completeness and reliability of the production profile.
Customization capabilityThe product description explicitly includes various non-standard parts and castings, while the supplier states that its engineers develop and design a full range of transmission parts. This directly supports the ability to handle at least some customized or non-standard component requirements.
Product Q&A
Q:Are you a factory?
A:
Yes, we are factory. We have world leading manufacturing facilities which can meet different levels of product.
Q:What is your MOQ?
A:
MOQ. 1 B: Customized products: Depend on different products.
Q:How long is your warranty?
A:
Guarantee for 12 months from the date of shipment.
Q:Could you be the OEM for the customer?
A:
No problem, we have quite rich experience for world famous brands for dozens of years.
Q:What is your delivery time?
A:
Small standard products are always in stock. B: Big-sized products deliver in 15-20 days. C: Customized product delivery depends on different products.
Send Inquiry
*To:
Diligence & Fine Machinery (Qingdao) Co., Ltd.
Diligence & Fine Machinery (Qingdao) Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Durable Textile Machinery Sleeve for Optimal Tension Control
US$5.60-30.90
100 Pieces(MOQ)
Premium Tensioning Sleeve for Reducers - Enhanced Durability
US$5.60-30.90
100 Pieces(MOQ)
CNC Precision Machine Processing of Copper Shaft Sleeve with Holes for Positioning
US$0.55-0.75
1,000 Pieces(MOQ)
Versatile Expansion Sleeve for Enhanced Textile Machinery Performance
US$5.60-30.90
100 Pieces(MOQ)
Durable Expansion and Tensioning Sleeves for Printing Equipment
US$5.60-30.90
100 Pieces(MOQ)
Premium HDPE Electrofusion Sleeves for Efficient on-Site Application
US$1.00-5.00
100 Pieces(MOQ)
Factory Customized Lubricating Bushing Flanged Brass Copper Sleeve for Forging Machine Tools
US$0.50-5.00
1 Piece(MOQ)
Premium Heat Shrinkable Sleeves for Corrugated Pipeline Connections
US$10.00
100 Meters(MOQ)
Wind Turbine Blade Insert Sleeve for Enhanced Root Connection
US$1.00
100 Pieces(MOQ)
Premium OEM Hose Sleeve with Braided Ferrule for Long-Lasting Performance
US$0.75
1 Piece(MOQ)
Premium Stainless Steel Sleeve 03310 for High Temperature Resistance
US$0.20
100 Pieces(MOQ)
Stainless Steel 316 Sleeves for Machinery Accessories
US$0.05-3.00
100 Pieces(MOQ)
Male Connector Fittings Threaded Sleeves for Lubrication Grease Hose Accessories
US$1.10-2.10
1,000 Pieces(MOQ)
Lubrication Hose Male Connector Fittings Threaded Sleeves for Centralized Lubrication System
US$1.10-2.10
1,000 Pieces(MOQ)
Premium Sanitary Stainless Steel Pipe Sleeve for Industrial Use
US$5.00-7.00
2 Pieces(MOQ)
Hm31/530 Adapter Sleeve Withdrawal Sleeve, for Oil Injection, ISO Standards
US$0.35-0.80
1 Piece(MOQ)
H309 H310 H311 H312 High Quality Bearings Tapered Adapter Sleeve for Machine Part China
US$13.69-18.96
10 Pieces(MOQ)
Durable Hydraulic Hose Sleeve for 2sn Applications in Industry
US$1.00
1 Piece(MOQ)
Lubricating Hose Joint Threaded Sleeve for Centralized Lubrication System
US$1.10-2.10
4,999 Pieces(MOQ)
Hydraulic Sleeve for Hose Fittings
US$1.60
1 Piece(MOQ)



















