1. Less maintenance
Using high quality materials, such as Q355B as default, Q690D
optional, Niningbo connectors, seamless precision pipelines,
graphite alloy copper sleeve, and strong but light bucket cylinder.
2. Strong and sturdy
Built-in reinforcing ribs. Professional welding skills towards the
different bearing positions. Groove preparation(45° edge-mining)
before welding.
3. Tolerance within 5-10um
Hole drilling tolerance is within 5-10um, ensure accuracy.
4. High work efficiency and saving fuel
Lighter while taking into account the quality, not only ensures
work efficiency but also saves fuel.
5. Metallurgical testSteel samples are analyzed in depth to look for microstructural
defects and different phases present in biphasic and superbiphasic
as well as many other welding materials.

Advantages of zhonghe service
CUSTOMIZATION:
1. Applicable for all brand excavators.
2. Color, length, and material can do according to you.
3. Extra pipelines can be added to suit some extra applications.
STRONG PRODUCTION CAPACITY:
We can produce 50 sets of excavator booms per month.
Our annual output of various types of excavator boom arms can reach
600 sets.
GOOD SERVICE:
1. Online support within 24 hours.
2. Appointment video technical support.
(Our engineers have focused on excavator boom and attachment for
over 10 years)
3. Long excavator boom shall be two/three jointed pcs to make it
fittable into a container to save shipping costs.
Warranty:
1 year for long reach boom, 180 days for cylinder and linkage, and
90 days for the bucket.








Company Strength
Kaiping Zhonghe Machinery Manufacturing Co., Ltd, is a
manufacturing and trading combo that specializes in customizing
different kinds of excavator boom arms and attachments We have more
than 14000m' steel structure standardization workshop with a large
number of high precision processing equipment as well as a strong
and cohesive team. At present, there are more than 60 experienced
technical staff, 30 welding workers with over 7 years of
experience, 15 senior designers, and a high-tech R&D team.
Our annual output of various types of excavator boom arms can reach
600sets. We supply products with high quality and moderate prices,
which sell well in more than 40 countries and areas.
We adhere to" Merit Quality, Sincerity Management, and Customer
Satisfaction", and honestly greet customers from home and abroad to
negotiate and cooperate with us.
FAQ of excavator long arm
1. How do I start to order?
Firstly, talk to our sales about your machine model, working conditions, special needs and deadline. Then our sales
will give you proposals FYR. You will receive a quotation within 24
Hours after comfirming the proposal.
2. How can we guarantee quality?
Every single ZHONGHE product has been passed three-stage Quality Control System to ensure that is a qualified product before shipping.
3. Are you alaways delivered on time?
We can't promise about the freight but what we can do is shortening
our lead time while keep the same quality level. So there will not
be any problem even if the sea freight delay for a couple days. Our annual output of various types of excavator boom arms can reach
600 sets.
4. Why should I buy from you but not other suppliers?
We can give you a moderate price with the same quality as we are
original manufacturer. We always use high quality material,
professinal design, keep high quality control during the industry.
5. What's your terms of payment?
We prefer T/T (50/50) through Ali Credit Insurance as a trial order.