Dashiqiao Xintai Refractory Material Co., Ltd. was established in 2001. It mainly produces large crystal fused magnesia and fused magnesia. The MgO content is 96%, 97%, 98%, 98.5% and 99%.

Yantai Hongyuan Construction Technology Co., Ltd. produces interior and exterior wall latex paint, real stone paint, flexible putty, elastic putty, textured paint, 801 glue, relief paint, thermal insulation mortar, primer, topcoat, knurling midcoat, tile renovation putty, interior wall putty powder, plaster, water-resistant putty, etc.

The official website homepage zxdl369.cn Business scope includes: automobile and motorcycle accessories, gypsum, competition clothing, electric kettles, concentrated feed, water conservancy projects, non-metallic mineral products, sanitary facilities construction, control and adjustment equipment, vegetable products (projects that must be approved according to the law, business activities can only be carried out after approval by relevant departments).

Shaanxi Qinlong Electric Power Co., Ltd. Environmental Technology Division engages in the comprehensive utilization of fly ash and desulfurization gypsum from power plants. It is one of the few specialized suppliers of ultrafine fly ash and desulfurization gypsum in the province, and one of the earliest, largest, most regulated, and strongest resource utilization enterprises in Northwest China.