国产一级毛片外aaaa_国产精品孕妇video视频_国产成人香蕉久久久久_日本欧美国产精品第一页久久_99riav国产在线观看_久久国产精品视频_高清国产一区二区_99久久国产亚洲综合精品_91进入蜜桃臀在线播放

Fuzhou Hokin Chemical Technology Co., Ltd is located in the capital of Fujian province in China. Specialized in R&D, manufacturing silicon materials through year’s experience, our products are silicon metal, silicon powder, high purity silicon powder, high purity silicon particle, solar grade silicon, silicon target,Optical grade silicon wafer and so on. We use the achievements in scientific research. Through advanced technology, workmanship and independent R&D production line of high purity silicon powder, we can produce different kinds of high purity silicon (Si>99.9%-99.9999%) 5000 tons per year. We always focus on science and technology investment to raise the core competitiveness. It has establ...[More]