黄色网址在线看,日本黄色大片网站,91精品全国免费观看,亚洲一个色,天天干天天玩天天操,91精品国产乱码久久久久久,天天操网站

首頁(yè) 產(chǎn)品 新聞 介紹 留言

公司簡(jiǎn)介

Our products are:
1. Ceramic glass with the thermal expansion 0-10 and thermal shock 650-700.
2. Borosilicate glass pressed glasses such as reflectors, lens something others with the thermal expansion coefficient 33-48.
3 Process glass discs and sheets: edges step, straight and round ground, thermally tempered
The min.thickness 1mm
The max.thickness 15mm

主營(yíng)產(chǎn)品

聯(lián)系方式