YUSHUN Blow Molding Machine Warranty & Service Commitment

At YUSHUN, we believe that purchasing a blow molding machine is not just a transaction – it is the beginning of a long-term partnership. We are committed to supporting our customers throughout the entire lifecycle of their equipment, from initial inquiry to installation, operation, and ongoing maintenance. Our warranty and service commitment is designed to give you peace of mind, minimize production disruptions, and maximize the return on your investment.

Standard Warranty Coverage

What Our Warranty Covers

YUSHUN provides a comprehensive one-year warranty on all blow molding machines from the date of shipment. This warranty covers:

• Manufacturing defects – Any defects resulting from our manufacturing process

• Material defects – Flaws in components or materials used in machine construction

• Workmanship issues – Problems arising from assembly or quality control

• Component failures – Premature failure of covered components under normal use

Warranty Period Details

What Is Not Covered

While our warranty is comprehensive, certain items are excluded as they are considered consumable or subject to normal wear and tear:

• Heating lamps – Consumable items with limited service life

• Molds – Subject to wear from normal production use

• Seals and gaskets – Normal wear items requiring periodic replacement

• Filters – Routine maintenance items

• Damage from misuse – Problems resulting from improper operation

• Damage from unauthorized modification – Alterations not approved by YUSHUN

• Damage from improper maintenance – Neglect of recommended maintenance procedures

• Damage from unsuitable utilities – Issues caused by incorrect power, air, or water supply

Global Service Commitment

Engineers Available for Overseas Service

YUSHUN provides professional technical support worldwide. Our commitment includes engineers available to travel overseas to assist customers with installation, commissioning, training, and troubleshooting.

Types of Service Support

Installation and Commissioning Support

Pre-Installation Preparation

Before your YUSHUN machine arrives, our team provides guidance to help you prepare:

• Facility requirements – Floor space, ceiling height, lighting, ventilation

• Utility specifications – Electrical, compressed air, cooling water requirements

• Foundation needs – Level surface requirements, vibration isolation if needed

• Material preparation – Preform sourcing guidance

Installation and Commissioning Process

Once your machine arrives, YUSHUN ensures proper setup through:

Standard Service (Remote Guidance)

• Detailed installation manual provided

• Video call walk-through available

• Step-by-step remote guidance from our technical team

• Verification of correct installation before startup

Premium Service (On-Site Commissioning)

• YUSHUN engineer dispatched to your facility

• Complete machine installation and setup

• Connection to your utilities

• Initial test production run

• Quality verification of sample bottles

Commissioning Checklist

Training Programs

Operator Training

Proper operator training is essential for machine performance and longevity. YUSHUN provides:

Basic Operator Training (1-2 days)

• Machine familiarization

• Daily startup and shutdown procedures

• Basic parameter adjustment

• Quality inspection of finished bottles

• Routine cleaning procedures

Advanced Operator Training (additional)

• Detailed parameter optimization

• Troubleshooting common problems

• Mold change procedures

• Preventive maintenance execution

Training Delivery Options

Technical Support

24/7 Remote Support

YUSHUN provides responsive technical support through multiple channels:

• Phone support – Direct line to our technical team during business hours

• Email support – Written documentation of issues and solutions

• Video call support – Real-time visual diagnosis of problems

• WhatsApp/WeChat – Quick messaging for urgent issues

Typical Response Times

Common Support Scenarios

Our technical team is experienced in resolving common issues including:

• Bottle quality defects (uneven wall thickness, haze, neck deformation)

• Heating system problems (uneven heating, lamp failures)

• Pneumatic system issues (air leaks, pressure problems)

• Control system questions (parameter settings, recipe management)

• Electrical troubleshooting (sensor failures, control logic)

Spare Parts Service

Spare Parts Availability

YUSHUN maintains a comprehensive inventory of spare parts to support our machines. Standard lead times for spare parts:

Recommended Spare Parts Kit

To minimize downtime, YUSHUN recommends maintaining a basic spare parts kit:

Essential Spares (Recommended)

• Set of heating lamps (2-4, depending on oven size)

• Assorted seals and gaskets

• Spare sensors (temperature, position)

• Fuses and electrical spares

• Pneumatic valves for critical functions

Optional Spares (For 24/7 Operations)

• Backup touchscreen display

• Backup PLC module

• Complete set of pneumatic cylinders

Ordering Process

Spare parts ordering is simple:

1. Identify the part using the machine's parts manual

2. Contact YUSHUN with part number and machine serial number

3. Receive quotation and availability confirmation

4. Order placed; parts shipped promptly

Extended Warranty and Service Plans

YUSHUN offers extended warranty and service plans for customers seeking additional coverage and support.

Extended Warranty

Premium Service Plan

For customers who want maximum support, YUSHUN offers a Premium Service Plan including:

• Priority technical support – Dedicated support line

• Annual preventive maintenance visit – YUSHUN engineer inspects and adjusts your machine

• Guaranteed spare parts response – 48-hour expedited parts shipping

• Software updates – Latest control system features

• Remote monitoring support (if equipped)

Warranty Claim Process

How to File a Warranty Claim

If you believe a component is covered under warranty, the process is straightforward:

1. Contact YUSHUN support – Provide machine serial number, component description, and issue details

2. Provide evidence – Photos, videos, or documentation of the issue

3. Diagnosis – YUSHUN technical team reviews the issue remotely

4. Approval – Warranty claim approved or additional information requested

5. Resolution – Replacement part shipped or repair instructions provided

Claim Processing Time

Preventive Maintenance Guidance

Preventive maintenance is the most effective way to prevent unexpected downtime. YUSHUN provides comprehensive maintenance guidance for all machines.

Daily Maintenance Tasks

• Check air pressure and water flow

• Inspect heating lamps for darkening or damage

• Clean machine surfaces and work area

• Verify safety guards and interlocks

• Check for unusual noises or vibrations

Weekly Maintenance Tasks

• Clean heating lamp reflectors

• Inspect and clean cooling air filters

• Check pneumatic connections for leaks

• Lubricate moving parts as specified

• Inspect mold and clamping system

Monthly Maintenance Tasks

• Check all electrical connections

• Verify temperature sensor accuracy

• Inspect pneumatic cylinder seals

• Clean electrical panel (with power off)

• Review machine parameters and logs

Quarterly/Annual Maintenance

• Comprehensive machine inspection

• Replace worn seals and gaskets

• Calibrate temperature controllers

• Check and tighten all mechanical fasteners

• YUSHUN engineer visit (Premium Service Plan)

Service Request Process

How to Request Service

1. Contact YUSHUN support – Phone, email, or messaging

2. Describe the issue – Machine model, serial number, problem description

3. Provide diagnostic information – Photos, videos, error messages

4. Remote diagnosis attempted – YUSHUN team works to resolve remotely first

5. On-site arranged if needed – Engineer dispatched for unresolved issues

Contact Information

YUSHUN maintains dedicated support channels for service requests:

• Technical support hotline – Provided with machine documentation

• Email support – Service@ address (specific address provided upon purchase)

• Messaging apps – WhatsApp/WeChat for urgent communications

Quality Commitment

YUSHUN is committed to manufacturing high-quality blow molding machines that meet international standards.

Quality Standards

• CE certification – Compliance with European safety, health, and environmental requirements

• ISO quality management – Consistent manufacturing processes and quality control

• Pre-shipment testing – Every machine tested before delivery

• Component traceability – Key components tracked for quality assurance

Our Promise

YUSHUN stands behind every machine we manufacture. We promise to:

• Respond promptly to all service requests

• Provide clear communication throughout any service engagement

• Maintain spare parts availability for all machines we manufacture

• Support our customers throughout the machine's service life

• Continuously improve our machines and services based on customer feedback

Customer Responsibilities

For warranty and service to be effective, customers share certain responsibilities:

Installation and Operation

• Follow YUSHUN's facility preparation guidelines

• Use qualified personnel for electrical and utility connections

• Operate machine according to provided instructions

• Use recommended PET preforms and materials

Maintenance

• Perform routine maintenance as specified in the manual

• Keep maintenance logs

• Use only approved spare parts

• Address minor issues before they become major problems

Documentation

• Retain machine serial number and purchase documentation

• Document any modifications or repairs performed

• Report issues promptly rather than continuing to operate

Why YUSHUN's Warranty and Service Matters

Conclusion

When you purchase a YUSHUN blow molding machine, you are not just buying equipment – you are gaining a partner committed to your success. Our warranty and service commitment ensures that you have the support you need to keep your production running smoothly, minimize downtime, and maximize the return on your investment.

Contact YUSHUN today to learn more about our warranty terms, service plans, and how we can support your bottle production operation.