Changhua bloodstone, a rare and precious gemstone, is sourced from Yuxi Mountain, the origin of the West Zhejiang Grand Canyon. Located 50 kilometers west of Changhua Town in Lin'an City, Zhejiang Province, this unique stone is known for its vivid red color, resembling flowing blood. Its lustrous appearance is often compared to jade, earning it the title of "national treasure" and making it highly sought after both domestically and internationally.
In recent years, Changhua bloodstone has sparked a growing interest among collectors, researchers, and art enthusiasts across China. The rising value of these stones has attracted significant attention from investment groups, turning them into a popular choice for both collection and financial gain. The upcoming Shanghai Boguzhai Art Festival, scheduled for September 26th, will feature an impressive collection of Changhua bloodstone pieces, many of which are considered rare treasures. With their stunning beauty and increasing market value, these stones offer not only aesthetic appeal but also strong potential for investment. Whether you're a seasoned collector or new to the world of precious stones, Changhua bloodstone continues to capture the imagination and admiration of people around the globe.
The crimped turnup flange joint is divided into flat seal crimped turnup flange joint and double cone seal crimped turnup flange joint, it is composed of an inner metal ring, an outer metal ring, a metal flange and the root of turnup flange; reinforced steel wires or glass fibres are flipped 180 degrees at the root of the turnup flange.
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