厂长:余生祥 
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本厂选用优质铜,钢,不锈钢制成的多种规格的蝶形螺母均采用冷冲压工艺,为国家首家生产.产品外形美观,光洁,内部无热应力,硬度等各项技术经全国紧固件标准化技术委员会认可,质量优于同类产品,赢得用户好评.
(英文)
in china,we are the first one who
use high-quality steel,stainless steel and copper to make various
wing and screws by the technology of cold goring.our products are
welldestgned, well-polished and have no internal thermal srtess.all
the technical characteristics have been appraised and approved by
the state standardized tightening devices technical committee.our
super quality products are now enjoying wibe reputation from our customers.
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