Shanghai AD slate Co., Ltd. was established in 2004, and have insisted the principle ?must do the best ? and just supply the high-quality slate. It contains roofing slate, floor slate, cladding slate, cultured slate, mashroom slate, arts and crafts slate and so on. Tested by National Stone Quality Supervision and Inspection Center, ASTM and Stanger, our slate is the world first-grade and is superior to Spain, Brazil. Indicators in planeness, chromatism, blackness, iron/sulphur content, absorption, acid resistance, abrasion resistance and modulus of rupture are much higher than that of international and domestic standards.
We possess three quarries and one processing base in Ziyang county, Shanxi province, which is China?s hometown of slate. And we own the import and export right. We are one of the biggest slate exporters in domestic market. Customers are throughout Europe, North America, Australia and Japan and other countries. And we also have variety of 90 processing machines. In order to expand capacity and raise the efficiency, we construct the road in the quarry. Output is 300,000 square meter high-quality roofing slate and 100,000 square meter floor slate every year. We plan to take over concession of 10 quarries and expand processing capacity at the same time so that the annual output of high-quality slate can reach 1000,000 square meter in order to meet the needs of international and domestic clients.
And we also keep good cooperation relations with other quarries in Jiujiang of Jiangxi and Baoding in Hebei so that we can meet multiple levels of demand.
We set up professional Engineering Department, and send people to study the most high-end roofing slate design, install technique abroad, just in order to offer package solution from ore removal, finished processing, packaging and transportation, design and installation to after-sales service.
Our operation principle: win customers based on good brand, support customers based on product quality, meet customers based on supply in time, compete customers at a reasonable price, ensure customers based on modern management, serve customers based on proven technique.
Color: AD black/rust
High Quality:
The absorption is very good:0.18%.
acid resistance, abrasion resistance and modulus of rupture are very good. If we can reach an aggrement,we can show you our test reports.
This slate is good quality that passed GB/T 18600-2009, ASTM, BS EN 12326-1-2004. It has following characters
--smooth surface
--nice color
--non-fading
--durable. Our absorption is 0.18%, much lower than GB/T R1 grade 0.25% and ASTM 0.25%. Abrasion resistance is 0.016mm that is much lower than GB/T 0.35mm and ASTM 0.38mm.
Size:
Mackerel scale;
Pentagon;
Tectangle;
425:400mmx250mm
420:400mmx200mm
430:400mmx300mm
specifications that we export most are above.
630:600mmx300mm
520:500mmx200mm
330:300mmx300mm
320:300mmx200mm
Thickness:
4-9mm
Output:
Output is 300,000 square meter high-quality roofing slate and 100,000 square meter floor slate every year. We plan to take over concession of 10 quarries and expand processing capacity at the same time so that the annual output of high-quality slate can reach 1000,000 square meter in order to meet the needs of international and domestic clients.