Wanli Quartz (Silica) Co, Ltd is specialised in producing colored silica (quartz) gel and sand for various usage including crafts, gifts, waterproof material, finishing and construction material, epoxy colophony floor, and glass material etc. The colored (silica) quartz sand we produced is made from the selected refined quartz mineral. With our advanced technology and strict modern procedure, the color of our quartz is of high steady with brightness, and can be modified by your requests. Through testing, it has no sign of fading in long-time boiling water, NaOH, HCL, etc. Because of cost, the prices of our product are lower than most other competitors. We also produce the sand by clients&＃8217; designation such as the color, the size, packaging and so on. It will be our great pleasure to establish long-time relationship of corporation with you .Our phone number is: 86-552-3140168 .Please do not hesitantly to contact us, we are happy to offer you any help indeed.