久久精品欧美日韩精品手机放,东京热国产精品一区二区,97精品久久久久久人妻精品,无码专区视频中文字幕,午夜亚洲视频在线观看,视频一区二区精品的福利,91破解版在线免费下载

Glass sand is divided into various types by sieving after ordinary glass is broken

2020-04-20 11:42:38 3658

When we talk about glass beads, we all think of the kind of glass marbles we talked about when we were young. Modern glass beads are really widely used for scratches, such as clothing, evening dresses, shoes, hats, handbags, headdresses, wool textiles, bead embroidery, lighting, handicrafts, etc. Today, let's take a look at the general situation of modern glass beads.


Generally, glass beads are also called glass sand. The glass sand is divided into various types by the sieve after the ordinary glass is broken, which is irregular shape. Glass beads are made by sintering glass sand in an air furnace, most of which are in the shape of a round ball.


荆州市| 勃利县| 平乐县| 邢台县| 华亭县| 灌阳县| 灵山县| 玉山县| 昌宁县| 平度市| 吴忠市| 韶关市| 龙山县| 桃园县| 万宁市| 慈溪市| 元阳县| 巴彦县| 衡南县| 镇原县| 上犹县| 浦江县| 隆回县| 东兰县| 武城县| 绥滨县| 元谋县| 曲阜市| 环江| 安新县| 台州市| 南昌县| 邵武市| 唐山市| 冕宁县| 宜君县| 元阳县| 黑水县| 潼关县| 延庆县| 建湖县|