1. The development of jade was brought back by caravan porters, so the caravan road from China to Myanmar can also be called Jade Road. Tengchong, as the oldest and largest commercial port in southwest China, plays an important role in the jade transportation route.
2. The method of pressing the jadeite raw stone sent from Myanmar: declare it to the customs, and the customs will deduct the duty-free quota according to the price at the time of purchase, and then make up the tax difference and bring it back legally.
3, of course, you can also choose to send it back to China by express delivery, which will take more than one week. In a word, Myanmar is a country famous for its jade, so the Myanmar government is very sensitive to raw stones and wool, but relatively tolerant of finished products such as pendants and bracelets.
Are jadeite beads drilled before polishing or after polishing?
Polishing, polishing after drilling, generally polishing with a vibration polishing machine.
Polishing. After punching, the surface of the beads should be polished. Generally, a vibration polishing machine is used for polishing, so that the surface of the beads can be polished more smoothly and cleanly.
Emerald diamond is also called punching. Generally speaking, different jadeites have different punching methods with different qualities and requirements. If it is high-quality precious jade, because it requires high quality, it is always manually selected to punch holes first, and then punch holes on one side. Jade holes punched in this way are also called horseshoe holes.
The main steps of jadeite polishing are grinding, polishing and waxing.
Is it ok to sell Burmese jadeite in China?
1. There are no special restrictions on buying jadeite in Myanmar and bringing it back to China. If it is a finished jade product, trains, planes and buses can be carried normally and brought back to China in a suitcase. It is the same as foreign tourists buying Hetian jade in China, and it is just a commodity.
Yes, as long as you don't take anything else, you should be able to get it back. After all, many live broadcast rooms are now purchased in Myanmar and then shipped back to China for packaging and delivery.
3. China-Myanmar jade trade is frequent, and it is legal to bring back the jade purchased from Myanmar, but attention should be paid to import and export customs declaration. Myanmar Jade National Jewelry Exhibition Hall holds four jade auctions here every year. In June 2005, 5438+ 10, there were 1236 foreign investors participating in the auction, and the transaction amount was as high as 48 million US dollars.
How to polish jadeite, polishing technology
The first process of jadeite polishing is polishing. After a large area of jadeite is polished, a layer of polishing powder is coated on the surface of jadeite. After that, the burr on the jade surface is removed with an oilstone, and this process is repeated for 2 ~ 3 times. Then, a layer of diamond powder is coated on the jade surface and polished with a hard brush.
Through the oilstone. Just polish it with a small oilstone first. Emerald state after passing through the oilstone: "green silk" on the steps. Steps of preparing diamond powder. The step is to dip your nails in diamond powder to make carving details. The nail effect diagram on the steps. Steps to prepare sandpaper.
Paste, and on the carved jade surface coated with polishing powder. Push grinding, grinding the jade surface with a 2000 mesh grinding wheel. Apply diamond powder on the surface of jadeite, and polish the surface of jadeite with a hard brush. If you don't notice the position, you should polish it carefully. Fine polishing, jadeite coated with diamond powder is polished with hard skin.
There are two ways to polish jade: mechanical polishing and manual polishing. Mechanical polishing is accomplished by using a vibrating machine with emery and polishing powder. The operation method is simple, but it is not suitable for particularly fine polishing. There are many equipments used for manual polishing, and jade velvet needs to be polished according to specific conditions.
Jade polishing can be coated with polishing powder first, and then polished with abrasive tools such as sandpaper and grinding wheel, which can make jade look more moist. Then use brush tools to polish the jade surface, and finally carefully polish it with kraft paper.