1. Warranty terms
1.1 Warranty start. The warranty period starts from the date on the delivery note or the official invoice. For bulk project supply, it starts from the date the materials are accepted and signed for on site.
Mechanical anchors, undercut anchors, stainless steel back bolts and hot-dip galvanised cast-in channels: 50-year warranty on the product body under normal compliant installation and standard corrosive conditions. Manufacturing defects in raw material, zinc coating or stainless coating are replaced free of charge.
Chemical anchors, anchoring adhesives, steel-bonding adhesives and other epoxy products: the factory shelf life is shown on the packaging. If, within the shelf life and under normal storage, the product fails to cure or does not reach strength due to formulation or raw material issues, it is replaced free of charge without condition. Where the adhesive has not expired at the time of delivery, quality issues attributable to the manufacturer are refundable or replaceable.
Installation accessories and drill bits: replaced free of charge within 3 months of manufacture for manufacturing defects. Consumable wear is not covered.
1.2 Scope of free warranty claims (manufacturing defects).
Raw material defects: cracked rods, incomplete threads, extensive coating loss, separated or lumpy adhesive, dimensions not matching national standards or contract specifications.
Failed factory test criteria: salt spray, load capacity or tensile tests not passing, confirmed by third-party retesting to be a raw material issue.
Missing documentation: certificates of conformity, factory test reports or type test reports omitted from shipment are reissued in full free of charge.
2. Incoming inspection, returns and exchanges
Appearance and specification inspection within 7 working days of arrival: for short quantities, wrong models, or damage caused by packaging, we reship or replace the entire order within 3 days of verification, with return freight borne by Prudential.
Unopened stock that can be resold: within 30 days of receipt, surplus stock arising from project changes may be returned at a negotiated discount provided the packaging is intact and the product is within its validity period. Custom non-standard specifications and specially coated products are not eligible for return without cause.
Opened or installed products: return or exchange only where a third-party test determines a manufacturing defect. Installation error, substrate problems and improper storage are not eligible.
3. Full-cycle free technical support
3.1 Pre-sales and on-site technical support. Free anchoring selection proposals, optimisation of anchor positions on drawings and load calculation references.
When materials arrive, our engineers can attend to assist with inspection, verify product authenticity and check batch warranty documentation.
Sample installation: free on-site guidance on drilling, hole cleaning, adhesive injection and curing control, plus anchoring sample briefings and product-specific training for installation crews.
3.2 After-sales response times. Phone and online response within 2 hours on working days, with a round-the-clock hotline for urgent projects.
On-site attendance within 48 hours for first- and second-tier cities in China, within 3 working days for third- and fourth-tier cities, and by agreement for remote areas.
Remote real-time guidance: installation difficulties, substrate compatibility and adhesive usage questions resolved by WeChat or video.
3.3 Testing support. On request, samples from the same batch, full factory qualifications, type test reports and compatibility reports.
Assistance with on-site sampling and document verification for supervisors, clients and third-party testing bodies.
4. Exclusions from free warranty
In the following cases only paid repair or replacement is provided, with all costs borne by the purchaser:
Improper installation: hole diameter or depth mismatch, dust left in the hole, chemical anchors installed in low temperature or rain contrary to instructions, load applied before curing is complete, or unauthorised reaming or specification changes.
Storage errors: adhesive exposed to sun or moisture, steel left outdoors to rust, or adhesive used beyond its shelf life.
Substrate problems: failure caused by using load-bearing anchors in porous concrete, hollow substrates or hollow block.
Human damage, unauthorised modification or non-standard substitution: cutting or grinding that damages the coating or rod, or mixing with third-party adhesives.
Force majeure: product failure caused by earthquakes, floods, fire or other natural disasters.
Quality issues arising from the project changing the installation method without authorisation or failing to follow Prudential's technical guidance.
5. Lifetime paid service beyond the warranty period
After the warranty expires we continue to supply genuine factory parts at the prevailing distributor price.
Paid on-site technical surveys, safety inspection of ageing anchorages and strengthening scheme optimisation, charged at a reasonable labour rate.
6. Compensation for quality issues
Where an authoritative third-party test confirms a defect in Prudential's raw materials or workmanship, an equivalent quantity of conforming product is supplied free of charge.
Reasonable material costs for rework caused by the quality issue are compensated by negotiation, excluding construction labour and schedule claims unless otherwise agreed in the contract.
7. Warranty registration
For large property, curtain wall and strengthening projects, a project-specific warranty registration can be filed in Prudential's head office system, with a warranty registration certificate issued on completion.
'!='')}1. Warranty terms
1.1 Warranty start. The warranty period starts from the date on the delivery note or the official invoice. For bulk project supply, it starts from the date the materials are accepted and signed for on site.
Mechanical anchors, undercut anchors, stainless steel back bolts and hot-dip galvanised cast-in channels: 50-year warranty on the product body under normal compliant installation and standard corrosive conditions. Manufacturing defects in raw material, zinc coating or stainless coating are replaced free of charge.
Chemical anchors, anchoring adhesives, steel-bonding adhesives and other epoxy products: the factory shelf life is shown on the packaging. If, within the shelf life and under normal storage, the product fails to cure or does not reach strength due to formulation or raw material issues, it is replaced free of charge without condition. Where the adhesive has not expired at the time of delivery, quality issues attributable to the manufacturer are refundable or replaceable.
Installation accessories and drill bits: replaced free of charge within 3 months of manufacture for manufacturing defects. Consumable wear is not covered.
1.2 Scope of free warranty claims (manufacturing defects).
Raw material defects: cracked rods, incomplete threads, extensive coating loss, separated or lumpy adhesive, dimensions not matching national standards or contract specifications.
Failed factory test criteria: salt spray, load capacity or tensile tests not passing, confirmed by third-party retesting to be a raw material issue.
Missing documentation: certificates of conformity, factory test reports or type test reports omitted from shipment are reissued in full free of charge.
2. Incoming inspection, returns and exchanges
Appearance and specification inspection within 7 working days of arrival: for short quantities, wrong models, or damage caused by packaging, we reship or replace the entire order within 3 days of verification, with return freight borne by Prudential.
Unopened stock that can be resold: within 30 days of receipt, surplus stock arising from project changes may be returned at a negotiated discount provided the packaging is intact and the product is within its validity period. Custom non-standard specifications and specially coated products are not eligible for return without cause.
Opened or installed products: return or exchange only where a third-party test determines a manufacturing defect. Installation error, substrate problems and improper storage are not eligible.
3. Full-cycle free technical support
3.1 Pre-sales and on-site technical support. Free anchoring selection proposals, optimisation of anchor positions on drawings and load calculation references.
When materials arrive, our engineers can attend to assist with inspection, verify product authenticity and check batch warranty documentation.
Sample installation: free on-site guidance on drilling, hole cleaning, adhesive injection and curing control, plus anchoring sample briefings and product-specific training for installation crews.
3.2 After-sales response times. Phone and online response within 2 hours on working days, with a round-the-clock hotline for urgent projects.
On-site attendance within 48 hours for first- and second-tier cities in China, within 3 working days for third- and fourth-tier cities, and by agreement for remote areas.
Remote real-time guidance: installation difficulties, substrate compatibility and adhesive usage questions resolved by WeChat or video.
3.3 Testing support. On request, samples from the same batch, full factory qualifications, type test reports and compatibility reports.
Assistance with on-site sampling and document verification for supervisors, clients and third-party testing bodies.
4. Exclusions from free warranty
In the following cases only paid repair or replacement is provided, with all costs borne by the purchaser:
Improper installation: hole diameter or depth mismatch, dust left in the hole, chemical anchors installed in low temperature or rain contrary to instructions, load applied before curing is complete, or unauthorised reaming or specification changes.
Storage errors: adhesive exposed to sun or moisture, steel left outdoors to rust, or adhesive used beyond its shelf life.
Substrate problems: failure caused by using load-bearing anchors in porous concrete, hollow substrates or hollow block.
Human damage, unauthorised modification or non-standard substitution: cutting or grinding that damages the coating or rod, or mixing with third-party adhesives.
Force majeure: product failure caused by earthquakes, floods, fire or other natural disasters.
Quality issues arising from the project changing the installation method without authorisation or failing to follow Prudential's technical guidance.
5. Lifetime paid service beyond the warranty period
After the warranty expires we continue to supply genuine factory parts at the prevailing distributor price.
Paid on-site technical surveys, safety inspection of ageing anchorages and strengthening scheme optimisation, charged at a reasonable labour rate.
6. Compensation for quality issues
Where an authoritative third-party test confirms a defect in Prudential's raw materials or workmanship, an equivalent quantity of conforming product is supplied free of charge.
Reasonable material costs for rework caused by the quality issue are compensated by negotiation, excluding construction labour and schedule claims unless otherwise agreed in the contract.
7. Warranty registration
For large property, curtain wall and strengthening projects, a project-specific warranty registration can be filed in Prudential's head office system, with a warranty registration certificate issued on completion.
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