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Longhechang Trading Co., LTD.

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Changzhou Jianzhen Rubber & Plastic Products Co., Ltd. is a specialized manufacturer dedicated to the R&D and production of automotive rubber and plastic components. With solid industry experience and stable mass-production capability, our manufacturing base has been operating since 2007. Today, we operate dual production bases in China and Thailand, and through continuous capacity expansion and resource integration, we further strengthened our global manufacturing and delivery system in 2025—providing international customers with a more efficient and reliable one-stop manufacturing solution. Our core product range covers automotive suspension and shock absorber rubber components,...

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Strut Mount for Air Suspension Systems bearing strut mounting mounting shock absorbers strut mount and bearing Strut Mount Shock Absorber And Accessories Adjustable Strut Top Mounts Rubber Bushing For Shock Absorption Front Strut Top Mount Shock Absorber Spring Washer Front Upper Strut Mount Vibration Damping Rubber Bushing Custom Manufacturing Services Machined parts Plastic Component Rubber Component Stamping Parts Enhanced Strut Mount for Air Suspension Performance air suspension strut mount solution strut mount for air suspension vehicle strut mount upgrade for air suspension Durable Strut Mount for Air Suspension Mount Shock Absorbers Strut And Strut Mount Top Shock Strut Mounting High Quality Air Suspension Mount aftermarket air suspension strut mount air suspension kit replacement air suspension strut mount assembly Shock Absorber Strut Mount Replacement Assembly OE replacement strut mount shock absorber top mount suspension strut mount replacement Custom Plastic Injection Molded Electronic Enclosure/Box ABS Injection Molded Junction Box Case Custom ABS Plastic Electrical Enclosure Injection Molded ABS Electrical Enclosure Electrical Distribution Box distribution electrical box Pvc Electrical Insulator Tube electrical distro boxes shock absorption plastic perch electrical power distribution box vehicle shock spring perch power distribution box Durable Rubber Shock Absorber Strut Mount Replacement Rubber Strut Mount automotive rubber strut mount replacement shock absorber strut mounting ABS plastic Electronic Enclosure Plastic Components Custom Plastic Injection Molds

Categories and Products

Shock Absorber And Accessories

Strut Mount

High Quality Air Suspension Mount

Durable Strut Mount for Air Suspension

Strut Mount for Air Suspension Systems

Advanced Strut Mount Designed for Air Suspension Vehicles

High Performance Air Shock Strut Mount

Precision Air Suspension Strut Mount

Enhanced Strut Mount for Air Suspension Performance

Precision Air Shock Strut Mount Design

High Quality Strut Mount for Vehicle Suspension

Reliable Strut Mount for Car Maintenance

Precision Strut Mount for Automotive Use

Reliable Strut Mount for Automotive Use

Stable Strut Mount for Vehicle Performance

Stable Strut Mount for Vehicle Stability

Durable Rubber Shock Absorber Strut Mount Replacement

Durable Strut Mount Replacement Parts

High Quality Shock Strut Mount for Vehicle Suspension

High Quality Shock Absorber Strut Mount

Durable Shock Absorber Strut Mount Replacement

Precision Engineered Shock Absorber Mount

Shock Absorber Bushing

Premium Shock Absorber Bushing for Vehicle Suspension

High Quality Shock Absorber Bushing for Vehicle Suspension

Precision Engineered Shock Absorber Bushing Solutions

Advanced Bushing Design for Shock Absorber Performance

Reliable Shock Absorber Bushing Solution

Durable Rubber Bushing for Shock Absorption Systems

Durable Bushing for Effective Vibration Control

Precision Shock Absorber Bushing for Automotive Use

High Quality Shock Absorber Bushing

High Performance Shock Absorber Bushing

Durable Bushing for Suspension Systems

Precision Engineered Shock Absorber Bushing Solution

Shock Absorber Bushing Product for Enhanced Stability

Precision Shock Absorber Bushing for Enhanced Stability

Precision Shock Absorber Bushing for Smooth Ride

Durable Shock Absorber Bushing for Vehicles

High Performance Shock Absorber Rubber Bushing

High Quality Shock Absorber Bushings for Vehicle Suspension

Durable Shock Absorber Bushings for Automotive Applications

Durable Shock Absorber Bushing Solutions

Shock Absorber Spring Washer

High Performance Shock Absorber Spring Pad

Durable Shock Absorber Spring for Industrial Use

Custom Shock Absorber Spring Pad Solution

Precision Shock Absorber Spring Component

Durable Shock Absorber Spring Pads for Vehicle Suspension

Precision Shock Absorber Spring Pad Design

Durable Shock Absorber Spring Cushion

Advanced Shock Absorber Spring Technology

Heavy Duty Shock Absorber Spring with Spring Washer

Durable Shock Absorber Spring Component

Reliable Shock Absorber Spring Solution

Reliable Shock Absorber Spring Components

Reliable Shock Absorber Spring Washer Solution

Reliable Shock Absorber Spring Washer for Mechanical Systems

Advanced Shock Absorber Spring Washer Technology

Shock Absorber Spring Seat for Industrial Applications

High Quality Shock Absorber Spring Washer Solutions

Durable Shock Absorber Spring Seat Components

Durable Shock Absorber Spring Seat Design

Reliable Shock Absorber Spring Washer Component

Shock Absorber Dust Cover

High Quality Shock Absorber Dust Cover for Vehicle

High Quality Shock Absorber Dust Cover for Vehicles

Durable Shock Absorber Dust Cover with Excellent Seal

Durable Shock Absorber Dust Protection Cover

Durable Shock Absorber Dust Cover Replacement

Rubber Component

Rubber Electrical Insulator

High Quality Rubber Electrical Insulator for Industrial Use

Durable Rubber Electrical Insulator for Electric Protection

Durable Rubber Insulating Components for Electrical Systems

Rubber Electrical Insulator for Efficient Performance

Durable Rubber Electrical Insulator for Electrical Safety

Reliable Rubber Electrical Isolator for Safe Applications

Reliable Rubber Electrical Insulation Solutions

Rubber Electrical Insulator for Electrical Applications

Plastic Component

Pvc Electrical Insulator

PVC Electrical Standoff Insulator for Safe Wiring

High Voltage Pvc Electrical Standoff Insulator

PVC Electrical Insulator for Safe Wiring Applications

PVC Standoff Insulator for Electrical Applications

Durable PVC Insulator for Electrical Applications

Durable PVC Electrical Insulator for Industrial Use

Durable PVC Electrical Insulator for Safe Usage

High-Quality PVC Electrical Insulation Solutions

High-Quality PVC Insulating Material for Electrical Systems

High Quality PVC Electrical Insulator for Industrial Use

Reliable PVC Electrical Insulator for Industrial

High-Performance Pvc Electrical Insulation Solutions

Durable PVC Insulation Material for Electrical Protection

Reliable PVC Electrical Insulation Solutions

Reliable PVC Insulator for Power Systems

Premium PVC Insulator for Electrical Safety

High Quality PVC Electrical Insulator for Safety

Pvc Electrical Insulator Components

Premium PVC Electrical Insulating Component

PVC Electrical Insulator Tube for Industrial Use

Shock Absorber Plastic Spring Perch

Shock Absorber Plastic Spring Perch for Vehicle Suspension

Durable Plastic Spring Perch for Shock Absorption

Plastic Spring Perch for Shock Absorber Systems

High-Quality Plastic Spring Perch for Vehicle Suspension

High Performance Plastic Spring Perch

Durable Plastic Spring Perch Replacement

Precision Engineered Shock Absorber Spring Perch

Custom Plastic Injection Molded Electronic Enclosure/Box

Custom Plastic Injection Molded Electronic Enclosure/Box

Durable Plastic Electrical Distribution Box for Home Use

Compact Plastic Electrical Distribution Cabinet

Compact Plastic Electrical DB Box

Compact Plastic Electrical Distribution Box

Two Wheeler Part

Premium Two Wheeler Part for Two Wheelers

High Quality Two Wheeler Part for Motorcycles

High Quality Two Wheeler Spare Parts

Premium Two Wheel Vehicle Components

Durable Two Wheeler Component Solutions

Reliable Two Wheeler Replacement Parts

Custom Two Wheeler Accessories for Bikes and Scooters

Durable Two Wheel Vehicle Components

Premium Two Wheeler Accessories for Enhanced Riding

Premium Two Wheeler Parts for Motorcycle Upgrades

Custom Two Wheeler Accessories for Motorcycles

High-Quality Two Wheeler Parts for Reliable Performance

Plastic Injection Molding

Advanced Medical Injection Molding Solutions

Advanced Plastic Injection Molding for Healthcare

High-Quality Medical Components via Injection Molding

Innovative Medical Injection Mold Designs

Durable Plastic Components for Medical Applications

Reliable Plastic Molding for Medical Applications

Anemometer Cups & Wind Vane Tail Components

Machining Services

Pressing Part

Precision Stamping Part Solutions

High-Quality Metal Stamping Components

Custom Stamping Parts for Automotive Applications

Custom Stamped Metal Components for Manufacturing

Durable Stamping Components for Manufacturing

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