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Castings
with Machining
Where to buy
the castings with machining in China?
There are many
iron
foundries in China, who can
machine the castings in-house.
In the past, I heard many clients said
they were surprised by the machining
capability for the metal foundries and
machining workshops in China.
They thought China foundries just had
some simple and poor casting equipments,
but there were no high-precision
machining equipments, but they found
there were many foundries in China
equipped
CNC centers,
numerical control machines
and
CMM. They have the equipments
to machine very small or very large
metal castings with high machining
precision. I guess it is because China
foundries have improved their machining
capability in the recent years.
However, where could you buy the metal
castings with machining? I suggest you
to consider the following ways:
1. From the iron
foundries who have the machining
capability in-house.
As I said, there are many metal
foundries especially iron foundries in
China, they have many machining
equipments, so you could ask them to
produce the rough castings, and do the
finish machining, or rough machining if
they could not meet your high
requirements.
In this way, you will find many
advantages. If they find the defective
castings during their machining process,
then they could replace them quickly and
free of charge for the buyers. So, it
will save you many time and costs.
Moreover, it does not need your
coordination between the foundries and
machining workshops. According to my
experience, the coordination works will
kill you.
2. From the machining
workshops who can buy the rough castings
locally.
This is also a good way if your products
need many machining works, or need
high-precision machining. In this way,
you just need to ask for the finish
castings from the machining workshops,
and ask the machining workshops to solve
the any defective problems either from
machining or from rough castings. So,
the machining workshops will try their
best to control the quality of quality
and solve the defective castings with
their subcontractors. It will also save
your time and costs. The disadvantage of
this way is the price. The price will be
higher than the first way. Why? The
machining workshops have to add some
extra costs in their quotations, such as
the administrative costs, the defective
costs, the profit from rough castings,
the margin in case of increased prices
of rough castings. As I know, in
Dandong Foundry in China, we
will quote the rough castings with very
low profit, sometimes, even lower than
3%, and tried to get more profit from
machining to compensate our loss for
rough castings. However, if you ask us
to supply the rough castings to other
machining workshops, then we will have
to quote with a normal profit since we
can not get the profit from machining.
3. From castings
trading companies.
There are many trading companies in
China and overseas, who could supply the
metal castings to the final clients in
USA, UK, and other countries. Usually,
they could go to the foundries to
inspect the dimensions and coordinate
the defective issues between the
clients, metal foundries and machining
workshops. I think they should also be a
good choice for you if you could not
find a suitable metal foundry or
machining workshop.
In order to buy the good castings with
machining, you do need to consider many
aspects.
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