Since 2008, Shijiazhuang Mining Imp &Exp Trade Co., Ltd stands out in the production of non-metallic minerals, such as vermiculite, asbestos fiber, sepiolite, brucite fiber, lava stone, natural zeolite and perlite etc with the brand name of S. W. T

Produced with unique technology, S. W. T products are designed to satisfy customers' various demand of excellent materials applied for industry, construction, agriculture, horticulture and also for water treatment.

With development of all these years, S. W. T and OEM Service from our SJZM group has gained good reputation from customers in worldwide. We are aiming to supply quality raw mineral materials for our customer and making their products safe, green, and economical.