Nanjing Zhishan Stone Cang Building Materials Co., Ltd. was established in 2020, the business scope includes: non-metallic minerals and products sales; Building materials sales; Sales of building decoration materials; Sales of lightweight building materials; Building block sales; Refractory sales; Sales of ecological environmental materials; Manufacturing of ecological environmental materials (except for projects subject to approval according to law, independently carry out business activities according to law with business licenses).