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January 2010 Tube Products International
57
Copper Tube
Copper tube manufacturer Wuxi Longda
Copper Metal Industries was established
inWuxi, China in1994. After rapidgrowth,
in 2004 the company built a new factory
for copper and copper alloy condenser
tubes to serve the global market. This
factory received product development
and production improvement assistance
from Apeldoorn Metals International bv,
a corporation dealing in such products
since 1935.
Extensive investments were made in
new and progressive manufacturing
equipment, and in 2008 a new produc-
tion hall was built to accommodate a
range of new tube finning machines and
auxiliary equipment.
Fin blanks in copper and copper alloys
are supplied by the company’s in-house
factory. Wuxi Longda is now ready to
serve the world market through the
experienced commercial organisation
of Apeldoorn Metals. Within China,
the company is already an important
supplier for the HVAC industry.
The company has a wide range of
standard surface patterns, and can
develop and manufacture new patterns
for optimising HVAC capacities.
Wuxi Longda also manufactures low
finned and medium high finned tubes,
as well as a range of corrugated tube
partners.
Apeldoorn Metals International bv
–
Netherlands
info@dutchmetals.eu www.dutchmetals.euexchangers, gas heaters, and fitting
and plumbing installations. Using eddy
current testing ensures high quality for
industrial processing.
Qaem Copper Industries Company
– Iran
info@qaemcopper.com www.qaemcopper.comQaem Copper Industries Company,
a producer of seamless copper tube
including LWC (plain and inner grooved),
straight and pancake, has developed
thin-walled copper tubes. These thin-
walled tubes are produced in LWC form,
both in plain and inner grooved type.
The tubes are lightweight and have good
heat transfer compared to thicker-walled
tubes. The copper tubes are clean,
since they are annealed in a furnace
that has been equipped with a copper
tube purging (CTP) system. This system
provides a protective atmosphere
through level-wound copper tube coils
during the annealing process.
To ensure product quality in the domestic
and foreign market, the company’s
test facilities have been equipped with
modern equipment such as German
eddy current testing, German optical
emission spectrometer, English tensile
tester and Japanese optical microscope,
which enable the company’s products
to be used in air conditioning systems,
industrial refrigerators, condensers, heat
Copper and copper alloy surface
enhanced tubes from China
Enhanced evaporation tubes
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Enhanced condenser tubes
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Thin-walled seamless copper tube
Qaem’s annealing furnace