Sam Chimi-goster Company (Sam Sang) was established to develop the chemical- polymer industry of construction in 2007. Using the technical knowledge to produce artificial stones of Cement Plast (from Russia, Czech Republic and Canada), and in cooperation with Sistrom Company and its license, Sam Chimi-goster Co. succeeded in producing polymer-based artificial stones called "Cement Plast" with the new technology in accordance with international standards.

Cement Plast is a mixture of resistant aggregates, polymer and hardening materials that is available in different colors with natural designs (marble and granite) with a wide range of colors. This product (Cement Plast) has won three gold awards for the best quality in the building materials exhibitions in Russia and Germany during 1998 to 2009.

Sam Sang Co. is also the executive of Cement Plast projects and innovator of the industry and automatic machinery for production line of Cement Plast in Iran.

Considering its diversity and unique beauty very close in appearance to natural stones, this product has created a revolution in the stone industry in Iran and is now without any competitor in Iran, due to good price and quality of Cement Plast.