
ABOUT US
OUR COMPANY
Established in 1994, Ningbo Zhongdi Industry Trade Co., Ltd. has grown into a leading professional manufacturer and one of China’s largest exporters of electronic soldering tools. Our products, including soldering irons, temperature-controlled soldering stations, and comprehensive electronic tool kits, reach markets around the world.

Embracing a culture of excellence, we boast a suite of certifications, including ISO9001 for quality management, IS014001 for environmental management, BSCI, Zhejiang Made, and recognition as a Ningbo High-tech Enterprise. Our unwavering commitment to compliance is reflected in our products, predominantly CE, GS, RoHS, and REACH certified.

Injection Molding Workshop

Assembly Workshop

Solder Wire Workshop
PRODUCTION EQUIPMENT
WARRANTY & AFTER-SALES SERVICE
Two-year Warranty from Receipt of the BL
Missing Parts: Free Replacement
24×7 Technical Service Standing By
CORPORATE ADVANTAGES
Since 1996
OEM & ODM
Exporting to More Than 60 Countries
5S Management System
ERP System for More Accurate Management of 20000 Kinds of Materials
Professional R&D System
Rigorous Quality Control
BSCI Certificate & FSC Qualified
PAYMENT METHODS
Payment Terms
We accept all kinds of payment including T/T, L/C, D/P, D/A, O/A, PAYPAL
We offer 1-3 months credit if you are facing any cash flow shortage
Lead Time
Samples: 3-6 days after payment
Mass production: 25-35 days after payment
TQC

ROHS Testing
We implement a TQC system for full-stage quality assurance. Our independent QC Department conducts strict incoming material inspections per AQL standards and a three-step process: First-Article, In-Process Patrol, and Final Warehousing inspection. This ensures products meet high reliability and performance standards consistently.

100% Factory Inspection

Factory Inspection

Full Inspection of Critical Semi-finished Products

Aging Test

100% Inspection on the Assembly Line

100% Inspection Line

100% Performance Testing
CLIENT TESTIMONIALS
We are truly grateful for every partnership built on trust and mutual growth.

Client Factory Tour

Peruvian Client Company's 30th Anniversary Celebration

Develop products jointly with customers

Customer Praise
FAQs
1.
Are you a manufacturer or a trading company?
We are a manufacturer in Zhejiang, China.
2.
When will our questions be answered?
Any inquiries will be answered within 24 hours, excluding holidays.
3.
Can you show some samples?
We can provide a sample order for quality inspection and market testing.
4.
What payment methods do you support?
We accept various kinds of payment, including T/T, L/C, etc.
5.
How long is the delivery time?
Mass production usually takes 25-35 days.
6.
How do you handle product quality issues?
If you encounter any quality issues or have any questions, we will provide technical support or arrange a return.










