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Tianjin Yinyan the prestressing force
anchors factory is mainly producing
the prestressing force anchors. It
was found in 1988, produced prestressing
force anchors speciality. After twice
changing the address and expanding
the scale, it lies in KaiYuan Road
in economic development west section
in Baodi district of Tianjin now.
It covers over 16,000 sq.m and construction
area covers near 5,000 sq.m. 
It possesses of 181 of exiting equipment,
produces 380 ten thousand holes of
anchor board, work insert 380 ten
thousand pairs per year.
For over ten years, we developed and
produced the series of DZM prestressing
force anchor solidly through the close
cooperation of room experts of prestressing
force of scientific research institution
of Chinese planning and design institute
of aircraft industry and the Chinese
building research institute. Through
the inspection of such many authoritative
organizations as the quality surveillance
inspection center of the national
construction work, monitoring center
of master station of quality surveillance
of project of national Ministry of
Metallurgical Industry, etc., the
products totally accord with the national
standard “anchor, jig and connector
for the prestressing force muscle”
(GB/T14370-2000)
The Model DZM steel taper anchor that
our factory produced has won the scientific
and technological conference's award
in 1988, and was put into " The picture
collection of common anchor jig finalizing
". The anchor of spiral shell of the
taper which our factory produces,
are successful used in the heavy construction
such as Shenzhen Shekou Red Gulf Harbor
Warehouse and Yingkou Harbor of prestressing
force roof truss, etc., 48M of the
harbor, 60M of the warehouse. What
our factory produces upsets a spiral
shell's pole anchor used in the roof
truss of factory building of assembly
factory of plane of Jing Dezhen of
Jiangxi, assembly factory building
30M span prestressing force roof truss
of power plant of Beijing, etc. receives
the favorable comment in the project;
One group of anchors and single hole
anchor that our factory produces have
go through more than ten years, play
an important role in more than 100
projects.
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