FAQs
PRODUCTS & SPECIFICATIONS
What load classes are available for your manhole covers?
We offer the full range of load classes per EN124 and GB/T23858 standards:
A15 – Pedestrian and light traffic areas (1.5 tonnes)
B125 – Light vehicle roads and parking lots (12.5 tonnes)
C250 – Medium vehicle roads and kerb-side areas (25 tonnes)
D400 – Heavy trucks and main roads (40 tonnes)
E600 – Ports, airports, and dock areas (60 tonnes)
F900 – Special heavy load and aircraft aprons (90 tonnes)
What materials do you offer for steel grating and manhole covers?
What international standards do your products comply with?
Can you manufacture custom sizes and non-standard specifications?
Is there a minimum order quantity (MOQ)?
ORDERING & DELIVERY
What are the typical lead times?
Lead times depend on product type and order complexity:
Standard products: 7–15 business days
Custom / non-standard: 25–35 days (including engineering review and sample confirmation)
Sample production: 5–10 business days
We maintain a high production capacity to support urgent project requirements.
What shipping and logistics options are available?
How is export packaging handled?
What payment terms do you accept?
Can I request samples before placing a bulk order?
QUALITY & AFTER-SALES
What quality certifications does Daxing hold?
- ISO 9001:2015 – Quality Management System
- ISO 14001:2015 – Environmental Management System
- ISO 45001:2018 – Occupational Health & Safety Management System
- Products can be additionally tested to SGS, TÜV, BV, or customer-specified third-party standards upon request
- Full material test certificates (MTC) and inspection reports available per shipment
How is hot-dip galvanizing quality controlled?
What after-sales support do you provide?
Can you provide references from major industrial projects?