1. Are you a trading company or factory?
We are a manufacturing factory with 15+ years of expertise, holding in-house R&D, production lines, and an export license for direct global supply.
2. Do you have certificates?
Yes, we hold international certifications:
ISO 9001:2015, CE, PED (2014/68/EU), ASME U Stamp
Patents for heat exchanger designs (Patent No. ZL2023XXXXXX)
Compliance with FDA (food-grade equipment) and API standards for petrochemical applications.
3. How do you control the quality?
Our QC system integrates:
Material Traceability: 5 spectro PMI machines across raw material storage, production, and dispatch to prevent alloy mixing.
Process Inspection:Automatic hydraulic pressure testing (1.5x working pressure) for all vessels.
RT/UT/MT non-destructive testing for welds.
RA roughness tester and hardness meters for surface finish.
Manpower Oversight:3 inspectors monitor production stages.
6 QC staff conduct final checks for defects, dimension accuracy, and documentation.
4. If there is any quality problem, how do you solve it?
We prioritize customer satisfaction:
For non-conformities, we offer:Free replacement within warranty.
Partial/full compensation based on impact.
Expedited reshipment for critical orders.
Post-sales support via 24/7 technical hotline and on-site service (for major projects).
5. How long is your delivery time?
Standard models: 5–10 days (stock availability).
Custom orders (non-standard size/material): 20–35 days.
Bulk orders (100+ units): Negotiable lead time with phased delivery options.
6. Warranty time?
2-year warranty for stainless steel structures and welding.
Exclusions: Consumables (gaskets, seals) and damage from improper use/abnormal conditions.
7. Why trust in us?
Technical Expertise: 15 years in heat exchanger design, serving chemical, food, and energy sectors.
Manufacturing Capability: 20,000 square meter factory with CNC machining, automatic welding robots, and vacuum brazing equipment.
Global References: 3000+ clients in 45 countries, including 20 Fortune 500 companies.
8. What is the MOQ?
1 unit for standard products.
Custom projects: Negotiable based on design complexity