1. Hunan Jinchang Metallurgical Technology Co., Ltd.: It is an enterprise specializing in the research, development, production and sales of gold extraction agents, and its products cover various gold extraction agents such as cyanidation, thiocyanate and chlorination.
2. Henan Ruisheng Chemical Co., Ltd.: It is an enterprise specializing in the research, development, production and sales of gold extraction agents, and its products cover various gold extraction agents such as cyanidation, thiocyanate and chlorination.