Zhangjiagang Longxin Foundry Co., Ltd. Locates in Zhangjiagang City, Jiangsu Province, in the beautiful Yangtze River Delta, enjoying convenient transportation. Since the establishment in 2003, we have insisted on the aim of customer highest, Quality highest, Prestige highest and Service highest.

We have served the world famous company, WARTSIA for many years, as well as many other superior quality companies in shipbuilding industry, construction machinery, metallurgy industry, mining industry and so on.

We take the lead in attaining ISO9001:2008 international quality system certification, ISO14001:2004 environmental management system certification, BV, GL, ABS, DNV among the same industry. Of courses, we have experienced technical personnel and professional testing personnel. We specialize in researching, developing and manufacturing casting iron connections and mechanical accessories.OEM or ODM foundry, we mostly welcome!

Our foundry process:

1)Resin sand casting

2)Centrifugal casting

Our foundry facilities:

1) 5 sets MF Electric Furnace

2) 5 sets of 5T Crane(Max. capacity is 5T)

3) 4 sets of Lathe

4) 4 sets Vertical and Horizontal Centrifugal Casting Machine

5) 1set Q3730 Blasting

6) 1set 2000x1200x1200 N Electric Heat Treatment

7) 1set Germany original OSA

8) 1set Mechanical Properties Analyzer

9) 1set Chemical Composition Analyzer.

The materials we process:

1)Grey Iron Series

China HT350HT300HT250HT200HT150HT100

GermanyGG40GG35GG30GG25GG20GG15-

United StatesNO.60NO.50NO.45NO.35NO.30NO.20-

Japan FC350FC300FC250FC200FC150FC100

2)Ductile Iron Series

ChinaQT400-18QT450-10QT500-7QT600-3QT700-2QT800-2QT900-2

GermanyGGG40 GGG50GGG60GGG70GGG80-

United States60-40-1865-45-1270-50-0580-60-03100-70-03120-90-02-

JapanFCD400FCD450FCD500FCD600FCD700FCD800-

Our products applications:

Shipbuilding partsConstruction machineryMineral machineryMetallurgy machineryChemical machinery

As finished rough casting, we test its chemical compositions and its mechanical prosperities, to assure the quality meet customers requirements.

Testing items:

1)Chemical composites

2)Mechanical properties: Tensile strength, Yield strength, Elongation, Hardness HB

3)Ultrasonic inspection

4)MT Examination

Why Choose us?

1)High efficiency Intermediate Frequency Furnace smelting the iron fast and even

2)10 Years experiences for supporting global named company-Wartslia

3)Professional molding and foundry process design, good quality and save raw materials

4)Efficient recycling line for used molding sand and extra foundry parts iron. Saving cost

5)Pre-testing using Original Germany SPECTRO chemical composite Spectropro, ensure the chemical composite meets the customers requirements.

6)Standard tests for other mechanical properties and other nondestructive tests as Ultrasonic Fault Detection, magnetic particle inspection

7)We are medium sized foundry with ISO9001:2008 and ISO14001 instructed and other special certifications for Marine industry, as GL,ABS,DNV,BV and so on.