Specifications

1. ASTM 8620 casting
2. lost wax & foam casting
3. ISO9001, etc.
4. OEM alloy steel casting parts
5. over 20 years expertise

Group Introduction

We are a group company registered Zhejiang Huashen Group with 7 subsidiaries, three of which are engaged in casting parts manufacturing, marketing, exporting, etc.

They are Ningbo Tongda Precision Casting Co., Ltd., Ningbo Fenghua Tongda Precision Casting Co., Ltd. and Ningbo Inrise International Trading Co., Ltd.

Tongda Casting, TD for short, is a leading manufacturer and exporter specialized in investment & precision casting for over 20 years. All OEM casting parts meet our customers' needs, based on the ISO 9001:2008 quality control system guidelines. Hope to find a way to help expand your business in the future.

 

Ningbo Tongda Precision Casting Co., Ltd. 

 

Ningbo Fenghua Tongda Precision Casting Co., Ltd.

 

Casting Parts Categories
1. Auto Casting Parts
2. G.E.T. / Excavator Casting Parts
3. Mining Machinery Casting Parts
4. Construction Machinery Casting Parts
5. Railway / Train Casting Parts
6. Agriculture Machinery Casting Parts
7. Forklift Casting Parts
8. Marine Casting Parts
9. Machining Parts, ASTM 8620 Casting, etc.

 

All casting parts are OEM, based on drawings or samples. Our OEM brands below:
PENGO, BYG, JCB, CATERPILLAR, ESCO, HITACHI, VOLVO, HYUNDAI, KOMATSU, KOBELCO, KAWASAKI, LIEBHERR, H&L, UNI-Z, BOBCAT, BOFORS, DAEWOO, DOOSAN, etc.

 

Quality Control

 

 

Foundry Overview

Following is a brief introduction about our two foundries:
Foundry Name	Ningbo Fenghua Tongda Precision Casting Co., Ltd.	Ningbo Tongda Precision Casting Co., Ltd.
Year Established	2004	1993
Occupied Area	65,000sqm	33,350sqm
Employees	350	700
Capability	10,000 Tons per Year	15,000 Tons per Year
Export Percentages	90%	90%
Market Percentages	1. Europe -- 40% 2. North America -- 35% 3. Asia -- 15% 4. Domestic Market -- 10%
Casting Techniques	Lost Wax Casting	Lost Wax & Foam Casting
Materials	Carbon Steel Low Alloy Steel	Carbon Steel Low Alloy Steel Ductile Iron Grey Iron Alloy Cast Iron
Sales Percentages	1. Auto Casting Parts -- 30% 2. G.E.T. / Excavator Parts -- 30% 3. Railway / Train Casting Parts -- 20% 4. Construction Machinery Casting Parts -- 10% 5. Marine Boat Casting Parts -- 5% 6. Other Casting Parts -- 5%
Casting Testing Equipments	1. Impact Testing Machine 2. Universal Testing Machine 3. Spectrum Analysis Instrument 4. X-ray Tester 5. Hardness Tester 6. Ultrasonic 7. Magnetic Particle Inspector 8. Three Coordinate Measuring Machine 9. Metallographic Examination Instrument, etc.
Automated Production Equipments	1. Wax Model Injecting Machine 2. Shell Making Line 3. Dewaxing Line 4. Heat Treatment Mesh Belt Furnace 5. Gas Furnace 6. Painting Line, etc.

 

Tongda also has its own machining workshop with various equipments.

 

Casting Process

 

 

Workshop Show

 

Automatic Wax Model Injection Machine

 

Shell-making Line

 

Dewaxing Line

 

Pouring

 

Heat Treatment Mesh Belt Furnace

 

Automatic Painting Line

 

Packaging

 

Warehouse

 

Should you wanna know more about ASTM 8620 casting, please kindly feel free to contact us. Any further interest, welcome to visit our foundries anytime and talk more.