Heyuan Xinda Quartz Technology Co, Ltd is specialized in producing superior quality with reasonable price quartz glass product. Such as clear tube, opaque products, UV stopped spiral abnormal red (yellow, black, blown ~~) tube etc. ...

Hai Bo Quartz Products Co.Ltd.of Dong County is a scientific and technical style private enterprise which was founded on October,2000.it covers an area of 23300m2building over 7000m at present,it has formed the productive ability annual output continuous ...