Changbai jade, also known as Changbaiyu, is a rare and beautiful stone found in Changbai County, Jilin Province. This unique mineral is characterized by its fine texture, density, and warm, clean appearance. It is firm yet not rigid, light but not slippery, making it ideal for carving and engraving. The stone exhibits a good luster, with most pieces being translucent or semi-transparent, except for a few that are fully transparent. Its color palette includes shades of green, yellow, gray-brown, purple-red, and gray, offering a wide range of aesthetic possibilities.
The patterns found in Changbai jade are natural and striking, featuring intricate designs such as crepe-like textures, moiré effects, curling patterns, rhyolite-like structures, and streamlined forms. These characteristics make it highly valued in both artistic and decorative applications.
Changbaiyu is one of the key economically significant minerals in the Changbai Mountain region. It is primarily found in Malugou Village, within the Changbai Mountain Korean Autonomous County. The formation of this jade dates back over 130 million years, during the late Jurassic period. It was formed from pyroclastic materials, and its main component is pyrophyllite, a mineral known for its softness and versatility.
Yela stone, another notable material from the area, is famous for its "stone fat" — a term used to describe its smooth, oily feel. It comes in a variety of colors and is soft enough to be easily shaped, making it a popular choice for carving and seal-making. In China, it is often referred to as "stamp stone" due to its use in traditional seals. Known for its high transparency, it is sometimes called "frozen stone," highlighting its clear and icy appearance.
Yela stone is a type of volcanic rock found in Changbai Mountain. It has a porous and lightweight structure, which gives it excellent air permeability. Rich in elements like silicon, aluminum, iron, potassium, sodium, calcium, magnesium, sulfur, manganese, phosphorus, and strontium, it offers a unique composition that contributes to its vibrant colors, which typically include black, dark green, and brick red. Its porous nature and mineral content make it an intriguing and versatile material for both practical and artistic uses.
Hand Press Eyelet Machine
Zonglan Manual eyelet Machines
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Small and practical machine. Less than 5 kg (10 lbs.) weight and 32 cm (13 inches) in height. Easy to handle and easy to move. Take the machine to the job rather than the job to the machine. Takes up little room on a bench or table.
Interchangeable self-piercing dies. All Zonglan dies up to size are compatible with the machine. Allows setting many different sizes of grommets by simple die changing process which takes only seconds
Utilizes self-piercing grommets. So your hole is cut and set in one operation, saving time and money.
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Freestanding or bench mounted. Does NOT need to be fixed in position to operate but can be mounted on bench with screws that come with the machine.
Suitable for applications on various materials. Vinyl, corrugated plastic, other plastics, fabric, poster board and many other substrates.
Strong and durable machine. Lasts for years with little maintenance.
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NINGBO ZONGLAN MECHANICAL AND ELECTRICAL EQUIPMENT MANUFACTURE CO., LTD , https://www.zonglaneyelet.com
