Product Description


ZheJiang Jack Jiawen Mechanical Equipment Co., Ltd General items: Sales of mechanical equipment; Import and export of goods; Technology import and export; Sales of special electronic equipment; Retail of hardware products; Wholesale of hardware products; Sales of electrical equipment; Sales of metal products; Retail of auto parts; Wholesale of auto parts; Retail of motorcycles and spare parts; Wholesale of motorcycles and spare parts; Sales of electronic products; Mold sales; Sales of plastic products; Sales of building decoration materials; Sales of pipeline transportation equipment; Sales of glass fiber and products; General equipment repair; General mechanical equipment installation service; Leasing services (excluding licensed leasing services); Lease of mechanical equipment; Organize cultural and artistic exchange activities; Marketing plHangZhou; General goods warehousing services (excluding hazardous chemicals and other items requiring approval); Domestic freight transportation agent. (In addition to the projects that need to be approved according to law, the business activities shall be carried out independently according to law with the business license)

CATERPILLAR Excavator 306D.307D.308C.320B. 320BL .320C .320CL. 320D, 320DL, 325B, 325C 325D, 325DL, 330B, 330BL, 330C. 330D, 312D.315D 324D
Bulldozer D3C, D4C .D4H, D5C, D5M, D5N, D5H, D6D, D6G, D6G-2, D6H, D6M. D6R, D7G,
D7G-2, D7H. D7H-2, D7R, D7R XRU II. D8H. D8K. D8L, D8R. D9R. D9N
Grader 12G, 14G, 120K, 140G, 140K
Wheel loader 910F. 936E, 938G, 950B, 950E. 950F. 950G, 950GC. 950H. 960F. 962G. 966C. 966D, 966E. 966F, 966F-2,966G. 966H, 980C, 980F. 980G
KOMATSU Excavator PC30MR2, PC35MR2, PC200-6, PC120-6, PC130-7. PC200-5, PC200-6, PC200-7,
PC200-8, PC210LC-7, PC220-6. PC220-7, PC220-8, PC240-8, PC300-5. PC300-7,
PC350-7. PC360-7, PC400-7. PC450-7
Bulldozer D155A-1, D155A-2, D155A-3, D85A-18, D85A-21
Grader GD511. GD623A-1. GD661A-1
Wheel loader WA200-5, WA300, WA320-1, WA320-3, WA320-5, WA350. WA380-3, WA380-6. WA400.WA470
Forklift FD30.FD80.FD100.FD150
HOWO Dump truck 6×4 336,6×4 375.8×4 375
Tractor unit 336,375
HITACHI Excavator EX100W EX160W EX100-3 EX120-2 EX120-3 EX’20-5 EX200-1 EX200-2 EX200-
3 EX200-5
ZX60 ZX70 ZX120 ZX200 ZX240 ZX350 ZX450 ZX470
DOOSAN EXCAVATOR DH55.DH60.DH80.DH220.DH225.DH300.DH370.DH420.DH500.DX55.DX60.DX225
KOBELCO EXCAVATOR SK30.SK55.SK60.SK75.SK140.SK200.SK210.SK250.SK260.SK350.SK380,
VOLVO EXCAVATOR EC55.EC60.EC140.EC210.EC240.EC290.EC360.EC460.EC480


1. How long is the warranty period of small excavators?
A: One year 12 Month or 1200 working hours.

2. What kind of small excavator certifications do you have?
A: CE, ISO9001, SGS, etc.

3. Is it convenient to visit your factory? How to go there?
A: Warmly welcome to visit our factory. It locates in ZheJiang City and HangZhou City, ZheJiang Province, China.
By taking high-speed railway or plane are both ok. When you arrive, we will pick you up.

4. What are your advantages over others?
A. 1.Over 20 years experience in the strong manufacturing capacity;
2.Own private brand, CHINAMFG brand occupies 1st market share in China’s domestic mini excavator market;
3.Strict quality control and service system. ISO9001, R & D and after-sales service team, 24/7 quick response;
4.Over 20 models ranging from 2000kg to 45ton, crawler/ wheel type .the engines have the Euro stage V,and EPA certification

minimum order quantity of 1 set,We can provide customized service Bigger order, price will be more favorable.

6.What is your terms of payment?
A: T/T, L/C at sight, Trade Assurance on Alibaba etc.

7. How long will the offer be valid?
Basically, our prices remain stable throughout the year. Mightly adjust the price due to 2 changes: exchange rate & raw material and
labor cost.

8.How about the delivery time?
1.Conventional products: 5-7working days after payment received.
2.Customized products: 10-30 days according to detailed request.
Any more infos, pls feel free to let us know at any time.

After-sales Service: Free Disassembly, Custom Machinery
Warranty: 1year
Type: Crawler Excavator
Usage: Special Excavator, Marine Excavator, Mining Excavator, GM Excavator
Bucket: Grab Shovel
Transmission: Hydraulic Transmission


Customized Request

drive chain

What are the benefits of using a corrosion-resistant coating on a drive chain?

A corrosion-resistant coating provides several benefits when applied to a drive chain. Here is a detailed explanation:

Drive chains used in various applications are often exposed to harsh environments that can lead to corrosion, including moisture, chemicals, contaminants, or high humidity. Applying a corrosion-resistant coating to the chain offers the following advantages:

  • Protection against Corrosion: The primary benefit of a corrosion-resistant coating is its ability to protect the chain from corrosive elements. The coating acts as a barrier, preventing moisture, chemicals, and other corrosive agents from reaching the chain’s surface. This helps to inhibit or slow down the corrosion process, extending the chain’s lifespan and reducing the risk of premature failure.
  • Enhanced Durability: By adding a corrosion-resistant coating, the drive chain’s durability is significantly improved. The coating helps to prevent rust, oxidation, and degradation, thereby maintaining the chain’s structural integrity and preserving its mechanical properties. This results in a longer service life and reduces the need for frequent chain replacements.
  • Reduced Maintenance Requirements: A corrosion-resistant coating reduces the maintenance efforts required to keep the chain in optimal condition. Since the coating provides a protective layer, there is less need for frequent lubrication or cleaning to combat corrosion. This leads to reduced maintenance costs and downtime, contributing to improved operational efficiency.
  • Compatibility with Harsh Environments: In applications where the chain is exposed to aggressive chemicals, high humidity, saltwater, or other corrosive substances, a corrosion-resistant coating is essential. The coating ensures the chain’s reliability and performance even in demanding and challenging environments, such as marine, chemical processing, or outdoor applications.
  • Promotion of Cleanliness and Hygiene: Some corrosion-resistant coatings are designed to be smooth and easy to clean. This promotes cleanliness and hygiene in applications where cleanliness is critical, such as food processing, pharmaceuticals, or cleanroom environments. The coating prevents the accumulation of contaminants, making the chain easier to clean and maintain compliance with industry regulations.
  • Improved Aesthetics: A corrosion-resistant coating can enhance the visual appeal of the chain. It provides a clean and professional appearance, which is particularly important in applications where the chain is visible, such as in architectural designs or decorative installations.

It is important to note that the selection of a suitable corrosion-resistant coating should consider the specific application requirements, environmental conditions, and the compatibility of the coating with the chain material.

Regular inspection and proper maintenance practices, including periodic cleaning and lubrication, are still recommended to ensure the optimal performance and longevity of the drive chain, even with a corrosion-resistant coating.

By using a corrosion-resistant coating on a drive chain, operators can benefit from corrosion protection, enhanced durability, reduced maintenance requirements, compatibility with harsh environments, cleanliness, improved aesthetics, and ultimately, reliable and long-lasting chain performance.

drive chain

Can a drive chain be used in a marine or offshore environment?

Yes, drive chains can be used in marine or offshore environments with proper considerations and appropriate chain selection. Here is a detailed explanation:

In marine or offshore applications, where machinery and equipment operate in challenging conditions such as saltwater exposure, humidity, and corrosive environments, the use of drive chains requires specific measures:

  • Corrosion Resistance: When selecting a drive chain for marine or offshore environments, it is crucial to choose a chain made from corrosion-resistant materials such as stainless steel or coated chains. These materials can withstand the corrosive effects of saltwater and other harsh elements.
  • Sealing and Protection: Additional sealing and protection measures can be employed to safeguard the chain from water ingress and contamination. This may include the use of protective covers, seals, or enclosures to prevent direct exposure to seawater and other corrosive substances.
  • Lubrication: Regular and appropriate lubrication is vital to protect the chain against corrosion and ensure smooth operation. Lubricants specifically designed for marine or offshore applications should be used to withstand the demanding conditions and provide effective protection.
  • Maintenance: A comprehensive maintenance program is essential for maximizing the lifespan of a drive chain in marine or offshore environments. Regular inspection, cleaning, lubrication, and monitoring of the chain’s condition are necessary to identify and address any signs of corrosion, wear, or damage.
  • Environmental Considerations: Factors such as saltwater spray, wave impact, vibration, and temperature variations should be taken into account when designing and operating the machinery and equipment. Adequate shielding, proper drainage, and suitable ventilation can help mitigate the potential detrimental effects on the drive chain.

By considering these factors and implementing appropriate measures, drive chains can be successfully utilized in marine or offshore environments, providing reliable power transmission in applications such as ship propulsion systems, offshore drilling rigs, marine winches, and more.

drive chain

What are the different types of drive chains?

Drive chains come in various types, each designed for specific applications and operating conditions. Here are some common types of drive chains:

  • Roller Chains: Roller chains are the most common type of drive chain. They consist of cylindrical rollers that are held together by inner and outer plates. Roller chains are widely used in motorcycles, bicycles, industrial machinery, and automotive systems.
  • Double Pitch Chains: Double pitch chains have longer pitches, meaning the distance between each roller is greater compared to standard roller chains. They are often used in applications that require slower speeds and lighter loads.
  • Leaf Chains: Leaf chains consist of interleaved metal plates connected by pins. They are known for their high tensile strength and are commonly used in forklifts, hoists, and other heavy-duty lifting equipment.
  • Silent Chains: Silent chains, also known as inverted-tooth chains, have tooth-shaped plates that engage with sprockets. They are called “silent” chains because they operate with reduced noise and vibration compared to roller chains. Silent chains are used in timing drives and applications that require high-speed and high-torque transmission.
  • Engineered Chains: Engineered chains are designed for specific industries or applications that require specialized properties, such as corrosion resistance, high temperature tolerance, or self-lubrication. Examples include drive chains, plastic chains, and self-lubricating chains.

Each type of drive chain has its own advantages and considerations, and the choice depends on factors such as the application requirements, load capacity, speed, environmental conditions, and maintenance needs.

China Hot selling High Quality CZPT Zx240 Zx240-3 Zx240-3G Track Chain for Zx240 Excavator  China Hot selling High Quality CZPT Zx240 Zx240-3 Zx240-3G Track Chain for Zx240 Excavator
editor by CX 2023-11-16