22M 28M long reach for doosan dx340 excavator long reach arm boom excavator extension arm

22M 28M long reach for doosan dx340 excavator long reach arm boom excavator extension arm

Features:
1. Material:A.)All Q355B Steel for standard long reach boom (strenght:345Mpa).
B.)Heavy-duty long reach boom and excavator tonnage above 40ton :we use Q690D high strength steel (strength:690Mpa,same as
Weldox700 in Europe )
2.Internal view(spaced by vertical and horizontal reinforcement plate at regular interval)

3.All steel plate are beveled by beveling machine before welding.

4.Welding:
A.) Welded with mixed gas between argon and carbon dioxide. Argon content:80%.Carbon dioxide content:20%.
B.) Welded by auto-welding machine .

5.Pins:

All of our pins are hardened (to enhance hardness), tempereded(to enhance toughness) and grinded .
So our pins costing is very high and we never had problem with our pins.

6.The cylinder :

We purchase from S-any Company .So the quality of cylinder is very reliable .

7.The painting :,
we can insure the color 100% match with original machines' color,and making sure our paint does not fade during
long time use .

CUSTOMIZATION:
1. Applicable for all brand excavator.
2. Color, length, material can do according to you.
3. Extra pipeline can be added to suit to some extra application.
4. Boom cylinder and stick cylinder can also be supplied if customer want.

STRONG PRODUCTION CAPACITY:
We can produce 50 sets 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 over 10 years)
3. Long excavator boom shall be two/three jointed pcs to make it fittable into container to save shipping cost.

WARRANTY
1 year for long reach boom, 180 days for cylinder and linkage, 90 days for bucket.

1. what size of long boom should i choose?

Firstly, send us a inquiry , our sales will responsible for your question one by one, generally tell me the excavator model , we can know what size of long reach boom can fit your machine. For excample , for 20tons excavator , we can make 16meters or 18meters , 18meters will additional need 2tons counter weight.

2. Does you product have MOQ ? how long is the production time?

Our production MOQ is 1pc , we accept custom design. With professional worker hard work and OT , our production time can shorten to 7~15days , also will depend on the quantity you need . Details our sales will tell you.

3. What payment do you accept?

We accept TT transfer and alibaba pay , for TT , 30% deposit to arrange produce , 70% balance should be paid before send out the goods , for alibaba pay , we can make a trade assurance for you to pay .

4. Why should I buy from you but not other suppliers?

As you know , we are the original factory for long reach boom , our price is the best , there are many foreign trade company to ask us to quote the same product as our client , but finally client choose us , because we are the original factory , our price is the best , you can do business with us directly to save time and cost , don`t need through others .

5,what aftersale service can i get?
Product get guarantee period , when you intalling our goods , we have engineer to guide you to make every step is going well .