Collectanea J. Ltd. Was established in the year 2003 Hong Kong. We a wholesaler of customized jewelry gold, platinum, fashion glass bead pandora and offer worldwide services all over world. It is our intention to build long-term relationship provide always ...

Jingniu group, a lanrge-scale transitional company, mainly produces and sells high-tec products such as rolling crystallite glass coated on-line float glass.Jingniu group have , transparent ceramic, figured glass, wired etc. in total 9 production ...

Found in 1998, Beijing Zhong Cheng Quartz Glass Co., Ltd represents a high-tech supplier manufacturing quartz products (Sio2 targets), optical components, crystal substrates, glasses and silicon wafer. As covers an area of 12, 000 Sq, ZCQ locates suburb ...