Linyi Dima (Heima) Chemical Building Materials Co., Ltd. is a high-tech company which produces and sells animal proteins, protein type gypsum set retarders and other gypsum additives.

In 2006, Linyi Dima Gypsum Building Materials Co., Ltd. was established;

In 2008, Linyi Dima Gypsum Building Materials Co., Ltd. Passed the ISO 9001: 2000 International Certification;

In 2010, the production value broke through RMB 10,000,000;

In 2012, our company was rated as one of Linyi’s 100 Top Private Enterprises;

In 2015, we started to sell our products abroad;

In 2019, the name was changed into Linyi Dima Gypsum Building Materials Co., Ltd.