-
Durable plastic optical housing by Wuxi Tongbao. Precision molded, lightweight, and reliable design for telescopes, optical instruments, and electronic assemblies.
-
-
-
High-quality plastic optical housing
-
Precision injection molding for accurate fit
-
Lightweight yet durable construction
-
Provides stable protection for sensitive components
-
Smooth surface finish for professional appearance
-
Resistant to wear, corrosion, and environmental stress
-
Easy installation with threaded design
-
-
-
-
Durable plastic telescope lens cap by Wuxi Tongbao. Lightweight, precise fit, and protective design for optical instruments and astronomy equipment.
-
-
-
High-quality plastic lens cap for telescopes and optical devices
-
Precision molded for accurate and secure fit
-
Lightweight yet durable construction
-
Protects lenses from dust, dirt, and scratches
-
Resistant to wear, corrosion, and environmental stress
-
Easy to install and remove
-
Smooth surface finish with professional appearance
-
-
-
-
Premium optical instrument and telescope accessories from Wuxi Tongbao. Durable, precise, and reliable components for astronomy and optical applications.
-
Complete Telescope Accessories – Includes dovetail plates, mounting accessories, collimation tools, replacement knobs, and screws for reliable telescope upgrades.
-
Enhance Stargazing – Improve accuracy and performance with precision finder scopes, astronomy flashlights, and polar alignment tools.
-
Astrophotography Ready – Expand your imaging setup with telescope camera adapters, imaging filters, focal reducers, and field flatteners for sharper photos.
-
Durable & Compatible – High-quality materials designed for long-lasting use, compatible with most telescope brands and models.
-
For Beginners & Experts – Perfect for amateur astronomers and advanced users who want to maximize telescope performance and enjoy a better viewing experience.
-
-
High-quality Chinese RV precision die casting parts, designed for step systems and awning mechanisms. Durable aluminum alloy, corrosion-resistant, with superior strength for reliable RV performance.
-
Made from high-quality aluminum alloy with precision die casting
-
Excellent corrosion resistance and long service life
-
Designed for RV step systems, awning mechanisms, and structural brackets
-
Strong load-bearing capacity with lightweight design
-
Black coated surface for enhanced protection and aesthetics
-
Compatible with multiple RV models and applications
-
-
High-performance bicycle chainring sprockets from Chinese manufacturer, CNC-machined from 7075-T6 aluminum with black hard anodizing, available in 28T–52T sizes for road, MTB, and e-bikes
-
-
Made from aerospace-grade 7075-T6 aluminum alloy
-
Black anodized and hard-anodized finishes for superior strength and corrosion resistance
-
Wide tooth count options: 28T, 32T, 34T, 36T, 38T, 44T, 52T
-
Precision CNC machining ensures accurate fit and smooth operation
-
Optimized tooth profiles for reliable chain retention and quiet riding
-
Suitable for road bikes, mountain bikes, and e-bikes
-
Lightweight yet durable construction for performance cycling
-
Easy installation and replacement, compatible with multiple crank systems
-
Perfect balance of stiffness and weight for efficient pedaling
-
-
-
Forged carbon steel drift pin with hot-dip galvanized finish, Overall Length: 2-5/8 inch，CPSIA-compliant with lead-free test certification. Ideal for railway, construction, and heavy-duty structural fastening with excellent corrosion resistance.
-
-
Head Dia.: 9/16 in
-
Head Height: 15/64 in
-
Overall Length: 2-5/8 in
-
Shank Dia.: 5/16 in
-
Point Form: 90°
-
Material: Carbon Steel（碳钢）
-
Finish: As Forged / As Ordered
-
-
Forged carbon steel construction for high strength and durability.
-
CPSIA compliant, SGS-tested lead-free certification.
-
Hot-dip galvanized finish ensures long-term corrosion resistance.
-
Round head and tapered point for easy installation and secure fit.
-
Widely used in railway tracks, structural steel connections, and heavy-duty outdoor engineering.
-
-
High-performance threaded roller bearing with deep groove design for conveyor systems, automation, and sliding applications. Durable, low-noise, and easy to install from a trusted Chinese manufacturer.
-
Precision-engineered roller bearing with threaded shaft for secure mounting.
-
Smooth and low-noise operation, ideal for automation and conveyor applications.
-
High load capacity and long-lasting performance.
-
Versatile usage in sliding doors, industrial trolleys, and linear motion systems.
-
Manufactured by a reliable Chinese supplier with strict quality control.
-
-
08B-1 roller chain sprocket with hub, 18 teeth, DIN 8187 standard. Durable steel sprocket for conveyors, automation, and industrial power transmission.
-
DIN 8187 standard design for reliable compatibility with 08B-1 roller chains.
-
18 precision-machined teeth ensure smooth operation and reduced chain wear.
-
Hub style sprocket for strong shaft connection and easy installation.
-
Manufactured from high-quality steel (C45/ST50) for strength and durability.
-
Ideal for conveyors, packaging machines, logistics, and automation systems.
-
-
Roller Chain Sprocket with Mounting Holes – Durable Steel Plate Sprocket for Industrial Power Transmission
High-quality Chinese roller chain sprockets, hub sprockets, and custom sprockets direct from Chinese manufacture. Reliable power transmission at factory price.
Sprocket hub single-sided for chain 08 B-1 DIN 8187
-
Double Strand Roller Chain Sprocket | Heavy-Duty Conveyor Drive Sprocket
-
-
Designed for double strand roller chains (DIN/ANSI).
-
Higher load-bearing capacity compared to single strand sprockets.
-
Robust C45 steel construction for long service life.
-
Accurate machining for smooth chain running and reduced wear.
-
Perfect for heavy-duty conveyors, material handling, and automation systems.
-
-
-
DIN Standard Roller Chain Sprocket 08B-1, 30 Teeth, Wedge Collar Profile
-
Manufactured according to DIN 8196 and DIN 8187 standards for guaranteed compatibility.
-
30 teeth precision-machined profile ensures stable chain engagement and reduced wear.
-
Wedge collar hub design for strong shaft connection and reliable torque transfer.
-
Made from high-strength C45 steel with surface treatment for durability.
-
Suitable for conveyors, packaging machines, logistics systems, and automation equipment.
-
-
Pressed Steel Bearings | Chinese Stamped Bearings for Conveyor and Agricultural Applications
-
Lightweight stamped or turned structure, reducing material cost
-
Ideal for light to medium-duty load and low-to-medium speed applications
-
Excellent corrosion resistance with zinc-plated or galvanized surface
-
Smooth rotation with stable performance and low noise
-
Widely applied in agricultural equipment, conveyors, doors, and fitness devices
-
