About Willson

CHANGZHOU VISION INTERNATIONAL TRADING Co., Ltd. is a leading manufacturer of single-cylinder diesel engines in China. We primarily produce the Willson brand, 3-45 horsepower, single-cylinder, air- and water-cooled diesel engine series, as well as diesel engine accessories. These engines are suitable for powering small tractors, agricultural machinery, generator sets, water pumps, small construction machinery, air compressors, inland waterway vessels, and agricultural and sideline product processing. Our comprehensive product range, reliable quality, and high reputation are highly sought after throughout China and exported to Asia, Africa, and South America.
The factory is located in Changzhou, a famous city in the south of the Yangtze River.It is adjacent to Shanghai-Nanjing Railway, Shanghai-Nanjing expressway and Beijing-Hangzhou Grand Canal in the north, as well as two expressways, Yangli and Ninghang, which are connected in the territory, and the transportation is very convenient by land and water.
The factory covers an area of 40,000 square meters and has more than 80 professional and technical personnel of various types. It has strong technical force, complete testing methods, reliable product quality, flexible management mechanism and fast after-sales service. The products have passed ISO9001 quality management system certification and ISO14000 environmental management system certification. Advanced quality management methods and a complete quality assurance system ensure that Jintian brand diesel engines have stable product quality.
The enterprise has obtained the right to export by itself, and has won the title of “advanced enterprise” and “Trustworthy enterprise” of provinces and cities for many times.It has successively won the certificates of “China famous and excellent products”, “Provincial quality credit products”, “Provincial consumer trustworthy products”, “Changzhou famous Brand products”, “Jiangsu famous brand products” and so on.
The factory always adhere to the “quality first, reputation first, customer first” business purposes, to provide customers with quality products and services, sincerely welcome domestic and foreign customers to use Jintian diesel engine.
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World-Class Team
Graduates from top universities worldwide
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Advanced R&D
Self-developed
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Innovation Focus
Multiple innovative technologies

Our Products

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35 HP Hand Start Single Cylinder Diesel Engine ZS1135

35 HP Hand Start Single Cylinder Diesel Engine ZS1135

Model: ZS1135
Parameters: 4712336560

32 HP Hand Start Single Cylinder Diesel Engine ZS1132

32 HP Hand Start Single Cylinder Diesel Engine ZS1132

Model: ZS1132
Parameters: 4660018830

30 HP Horizontal Water Cooled Diesel Engine ZS1130 for Agricultural Machinery

30 HP Horizontal Water Cooled Diesel Engine ZS1130 for Agricultural Machinery

Model: ZS1130
Parameters: 5961871975

30 HP Diesel Engine ZS1130 for Power Generation Applications

30 HP Diesel Engine ZS1130 for Power Generation Applications

Model: ZS1130
Parameters: 9815224328

25 HP Horizontal Water Cooled Single Cylinder Diesel Engine ZS1125

25 HP Horizontal Water Cooled Single Cylinder Diesel Engine ZS1125

Model: ZS1125
Parameters: 1315528533

20 HP Hand-Start Agricultural Diesel Engine ZS1115

20 HP Hand-Start Agricultural Diesel Engine ZS1115

Model: ZS1115
Parameters: 3843740291

ZS1110 18HP Horizontal Water Cooled Diesel Engine for Generator Sets

ZS1110 18HP Horizontal Water Cooled Diesel Engine for Generator Sets

Model: ZS1110
Parameters: 006341418X

16.5HP Horizontal 4-Stroke Water Cooled Single Cylinder Diesel Engine ZS1105

16.5HP Horizontal 4-Stroke Water Cooled Single Cylinder Diesel Engine ZS1105

Model: ZS1105
Parameters: 3111581764

15 HP Hand Start Single Cylinder Diesel Engine ZS1100

15 HP Hand Start Single Cylinder Diesel Engine ZS1100

Model: ZS1100
Parameters: 7780149501

Hand-Start Water Cooled Single Cylinder Diesel Engine 13HP

Hand-Start Water Cooled Single Cylinder Diesel Engine 13HP

Model: ZS195
Parameters: 3583988000

9.5 HP Horizontal 4-Stroke Water Cooled Single Cylinder Diesel Engine EM190

9.5 HP Horizontal 4-Stroke Water Cooled Single Cylinder Diesel Engine EM190

Model: EM190
Parameters: 3097851992

8 HP Horizontal 4-Stroke Diesel Engine EM185 for Agriculture

8 HP Horizontal 4-Stroke Diesel Engine EM185 for Agriculture

Model: EM185
Parameters: 5093641006

JR190 9.5HP Hand Start Single Cylinder Diesel Engine

JR190 9.5HP Hand Start Single Cylinder Diesel Engine

Model: JR190
Parameters: 6506936010

JR185 8HP Horizontal Water Cooled Diesel Engine with Hand Start

JR185 8HP Horizontal Water Cooled Diesel Engine with Hand Start

Model: JR185
Parameters: 8608164272

7 HP Hand Start Horizontal Diesel Engine R180 Single Cylinder Water Cooled

7 HP Hand Start Horizontal Diesel Engine R180 Single Cylinder Water Cooled

Model: R180
Parameters: 4822515788

R175A Horizontal 4-Stroke Single Cylinder Diesel Engine 6 HP Hand Start

R175A Horizontal 4-Stroke Single Cylinder Diesel Engine 6 HP Hand Start

Model: R175
Parameters: 8030151284

4 HP Hand Start Single Cylinder Diesel Engine R170A-T Horizontal Water Cooled

4 HP Hand Start Single Cylinder Diesel Engine R170A-T Horizontal Water Cooled

Model: R170A-T
Parameters: 5848359113

R170A 4HP Horizontal Water-Cooled Single Cylinder Diesel Engine

R170A 4HP Horizontal Water-Cooled Single Cylinder Diesel Engine

Model: R170A
Parameters: 8623284526

4 HP Hand-Start Single Cylinder Diesel Engine R170A for Agricultural Machinery

4 HP Hand-Start Single Cylinder Diesel Engine R170A for Agricultural Machinery

Model: R170A
Parameters: 5778325827

5HP Hand-Start Single Cylinder Air Cooled Diesel Engine Z175F

5HP Hand-Start Single Cylinder Air Cooled Diesel Engine Z175F

Model: Z175F
Parameters: 1055837817

2600RPM Air Cooled Single Cylinder Diesel Engine Z175F

2600RPM Air Cooled Single Cylinder Diesel Engine Z175F

Model: Z175F
Parameters: 6415316273

5HP Air Cooled Diesel Engine Z175F for Agricultural Machinery

5HP Air Cooled Diesel Engine Z175F for Agricultural Machinery

Model: Z175F
Parameters: 3042682641

5HP Air Cooled Diesel Engine Z175F for Engineering Equipment

5HP Air Cooled Diesel Engine Z175F for Engineering Equipment

Model: Z175F
Parameters: 9509123072

5HP Air Cooled Diesel Engine Z175F for Power Generation Equipment

5HP Air Cooled Diesel Engine Z175F for Power Generation Equipment

Model: Z175F
Parameters: 4050431416

4HP Hand-Start Z170F Single Cylinder Diesel Engine with Cast Iron Block

4HP Hand-Start Z170F Single Cylinder Diesel Engine with Cast Iron Block

Model: Z170F
Parameters: 7259246715

5 HP Horizontal Single Cylinder Diesel Engine X170F Hand Start

5 HP Horizontal Single Cylinder Diesel Engine X170F Hand Start

Model: X170F
Parameters: 3060643407

Heavy-Duty Single Cylinder Diesel Engine 170F Hand-Start 4HP

Heavy-Duty Single Cylinder Diesel Engine 170F Hand-Start 4HP

Model: 170F
Parameters: 2371901180

170F Horizontal Single Cylinder Diesel Engine 4 HP Hand Start

170F Horizontal Single Cylinder Diesel Engine 4 HP Hand Start

Model: 170F
Parameters: 343180022X

single cylinder diesel engine

single cylinder diesel engine

Model: ZS1135
Parameters: 0988869004

single cylinder diesel engine

single cylinder diesel engine

Model: ZS1132
Parameters: 2785474279

single cylinder diesel engine

single cylinder diesel engine

Model: ZS1130
Parameters: 7614639391

single cylinder diesel engine

single cylinder diesel engine

Model: ZS1125
Parameters: 4680449853

single cylinder diesel engine

single cylinder diesel engine

Model: ZS1115
Parameters: 455846262X

single cylinder diesel engine

single cylinder diesel engine

Model: ZS1110
Parameters: 3220810195

single engine diesel engine

single engine diesel engine

Model: ZS1105
Parameters: 4137838852

single cylinder diesel engine

single cylinder diesel engine

Model: ZS1100
Parameters: 0827187858

single cylinder diesel engine

single cylinder diesel engine

Model: ZS195
Parameters: 0414426681

single cylinder diesel engine

single cylinder diesel engine

Model: EM190
Parameters: 5769528435

single cylinder diesel engine

single cylinder diesel engine

Model: EM185
Parameters: 1456935836

single cylinder diesel engine

single cylinder diesel engine

Model: JR190
Parameters: 1398286532

single cylinder diesel engine

single cylinder diesel engine

Model: JR185
Parameters: 4373351589

single cylinder diesel engine

single cylinder diesel engine

Model: R180
Parameters: 8464526954

single cylinder diesel engine

single cylinder diesel engine

Model: R175
Parameters: 4980572758

single cylinder diesel engine

single cylinder diesel engine

Model: R170A-T
Parameters: 4322994121

single cylinder diesel engine

single cylinder diesel engine

Model: R170A
Parameters: 3226729349

single cylinder diesel engine

single cylinder diesel engine

Model: Z175F
Parameters: 5315005054

single cylinder diesel engine

single cylinder diesel engine

Model: Z170F
Parameters: 1504729722

single cylinder diesel engine

single cylinder diesel engine

Model: X170F
Parameters: 984075307X

single cylinder diesel engine

single cylinder diesel engine

Model: 170F
Parameters: 6875690810

Hand Start 9.5 HP Water Cooled Single Cylinder Diesel Engine EM190

Hand Start 9.5 HP Water Cooled Single Cylinder Diesel Engine EM190

Model: EM190
Parameters: 7302357641

Company Gallery

Certifications & Awards

GB/T 19001-2016/ISO 9001:2015
GB/T 19001-2016/ISO 9001:2015

Success Stories & Case Studies

Agricultural Irrigation

Agricultural Irrigation

No major failures, met irrigation season requirements
Fuel-efficient design, easy maintenance, adapted to local harsh environments

Location: PK 📦 Quantity: 96 sets

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Product Demonstration - Kestrel K-1

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Technology Innovation Showcase

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Customer Testimonials & Success Stories

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