Sinostone (Guangdong) Co., Ltd (former Guangzhou Selidstone Decoration Materials and Technology Co., Ltd) and Dellmond (Beijing) Building Materials Co., Ltd(former Beijing Baijuzhongqi Building Materials Co Ltd) are two manufacturers of Landmark International Group Limited and are the leading manufacturers in the field of quartz stone and solid surface in China.

We have the most advanced auto production lines in china, combined with the advance technology and supported by our professional working team of polymer chemists, mechanic, geologists and expert of mining and surface processing, we now can provide you with vivid colors, biggest sizes and best inner quality; we can provide you big sheets, small tiles and we can also do fabrications for you in our own fabricating plants. We know very well the concern from customers, and our prime focus is on quality, for which, we offer 10years warranty.
 

We have been certified by ISO9001:2000- the international quality ass... [Detail]