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About us
19Years ofExperience

ZHEJIANG WEILIN MECHANICAL CO.,LTD.

Zhejiang Weilin Mechanical Co., Ltd. Was established in April 2007. It is an export-oriented national high-tech enterprise focusing on the integration of production and foreign trade, Which sells forged steel crankshafts for diesel engines of construction machinery, heavy trucks, ships, generator sets, agricultural machinery and automobiles.

  • Enterprise Strength: Founded in 2007, the company has obtained international ISO certification, operates a provincial-level R&D center, and possesses over 70 sets of CNC equipment.
  • Diverse Product Range: The company manufactures more than 100 types of forged steel crankshafts, which find applications in multiple fields.
  • Numerous Honors: It has been recognized as a Zhejiang Science and Technology Enterprise and holds more than 10 invention patents and over 20 utility model patents.
  • Advanced Equipment: The company is equipped with various advanced production devices, including CNC grinders, lathes, milling machines, etc.
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hot sell
Hot Products
128-6786/354-2977/8N7103|CRANKSHAFT FOR CAT 3512
128-6786/354-2977/8N7103|CRANKSHAFT FOR CAT 3512

ENGINE NO: 3512
OEM/PART NO: 128-6786/354-2977/8N7103
Engine type: diesel engine
Crankshaft...

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148640-21190|CRANKSHAFT FOR YANMAR 6AY
148640-21190|CRANKSHAFT FOR YANMAR 6AY

ENGINE NO: 6AY
OEM/PART NO: 148640-21190
Engine type: diesel engine
Crankshaft Material: Forged...

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37520-25101|CRANKSHAFT FOR MITSUBISHI S6R2
37520-25101|CRANKSHAFT FOR MITSUBISHI S6R2

ENGINE NO: S6R2
OEM/PART NO: 37520-25101
Engine type: diesel engine
Crankshaft Material:...

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374-0788/384-9907|CRANKSHAFT FOR CAT C27
374-0788/384-9907|CRANKSHAFT FOR CAT C27

ENGINE NO: C27
OEM/PART NO: 374-0788/384-9907
Engine type: diesel engine
Crankshaft Material:...

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2W4088/261-9648|CRANKSHAFT FOR CAT 3412
2W4088/261-9648|CRANKSHAFT FOR CAT 3412

ENGINE NO: 3412
OEM/PART NO: 2W4088/261-9648
Engine type: diesel engine
Crankshaft Material:...

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1W5009|CRANKSHAFT FOR CAT 3408
1W5009|CRANKSHAFT FOR CAT 3408

ENGINE NO: 3408
OEM/PART NO: 1W5009
Engine type: diesel engine
Crankshaft Material: Forged steel...

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R519559|CRANKSHAFT FOR JOHN DEERE 6135
R519559|CRANKSHAFT FOR JOHN DEERE 6135

ENGINE NO: 6135
OEM/PART NO: R519559
Engine type: diesel engine
Crankshaft Material: Forged steel...

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Crankshaft For Cat C18|1950314|1894918|4685119 For CAT excavators 385C/D 390D wheel loaders 988H bulldozers D9T
Crankshaft For Cat C18|1950314|1894918|4685119 For CAT ex...

ENGINE NO: C18
OEM/PART NO: 1950314、1894918、4685119
Engine type: diesel engine
Crankshaft...

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relation

Lin Suwei, male, serves as the chairman of Zhejiang Weilin Machinery Parts Co., Ltd. Since 1992, he has been engaged in the production, sales, and trade of hardware auto parts and engineering machinery accessories. In 2006, responding to the strong promotion and call from the Longquan Municipal Party Committee and Government, he returned to his hometown to start a business as a way to give back, becoming the leader among the 43 enterprises in Longquan's "Returning Project". He has made significant contributions to Longquan's economic development and employment solutions.
His social positions include:
1:The President of the Fourth of Guangzhou Engineering Machinery Parts Industry Association.
2:The President of the First and Second of Guangdong Zhejiang Longquan Chamber of Commerce.
3:A member of the Standing Committee of the 14th, 15th, and 16th Longquan Municipal People's Congress.

+8618957057369/+8615325134961

Contact us

PROCESS

Our Working Process

  • 1
    Select a project

    Set a Strategy

    Determine quantity, style and delivery time.

  • 2
    Project Analysis

    Sign Contract

    Provide efficient, high-quality services.

  • 3
    Deliver Sample

    Production

    Strict control and quality control at all levels.

  • 4
    Order comform

    Delivery

    Delivery to customers according to contract time.

FEATURES CASE

Applications

case 01

Construction Machinery

Our company has become the vane of China's engine forged steel crankshaft.

case 03

Heavy Trucks

Not only do our products sell well in major provinces and cities in China, but also cover many other areas such as Europe, America, Southeast Asia, Middle East, etc.

case 02

Ships

It is an export-oriented national high-tech enterprise focusing on the integration of production and foreign trade, which sells the forged steel crankshafts of automobiles, engineering machinery, heavy trucks, generator sets and diesel engines.

case 03

Generator Sets

Not only do our products sell well in major provinces and cities in China, but also cover many other areas such as Europe, America, Southeast Asia, Middle East, etc.

case 03

Agricultural Machinery

Not only do our products sell well in major provinces and cities in China, but also cover many other areas such as Europe, America, Southeast Asia, Middle East, etc.

Latest News
Post‑Show Recap: Zhejiang Weilin Wraps Up Successful Exhibition At INAMARINE ...

Sep 02, 2026

Post‑Show Recap: Zhejiang Weilin Wraps Up Successful Exhibition At INAMARINE ...

Show Highlights From July 28 to 30, 2026, Zhejiang Weilin Machinery Parts Co., ...

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New Product Release: Zhejiang Weilin Launches CAT 3512 Forged Steel Crankshaf...

Sep 01, 2026

New Product Release: Zhejiang Weilin Launches CAT 3512 Forged Steel Crankshaf...

Product Launch Announcement Zhejiang Weilin Machinery Parts Co., Ltd. (hereinaf...

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Pre‑Show Preview: Zhejiang Weilin To Exhibit At INAMARINE 2026 – Visit Us At ...

Jul 03, 2026

Pre‑Show Preview: Zhejiang Weilin To Exhibit At INAMARINE 2026 – Visit Us At ...

Show Information Card · Event Full Name: INAMARINE 2026 (Indonesia Inter...

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19 Years Of Sole Focus On Forged Steel Crankshafts – Weilin Defines The After...

Jun 17, 2026

19 Years Of Sole Focus On Forged Steel Crankshafts – Weilin Defines The After...

What does a professional crankshaft factory with annual output of tens of thous...

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Zhejiang Weilin Expands High‑Power Engine Forged Steel Crankshaft Line – CAT ...

Jun 15, 2026

Zhejiang Weilin Expands High‑Power Engine Forged Steel Crankshaft Line – CAT ...

A reliable new option for the engine aftermarket. As a benchmark in China's eng...

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