Who is the largest private enterprise in Golmud?

Official website query of Golmud Zangge Potash Co., Ltd. shows that Golmud Zangge Potash Co., Ltd. is a private enterprise established in 2002, which integrates open-pit mining of potash fertilizer, production and sales of potash fertilizer and production of industrial salt. Up to now, the company not only has relatively strong production capacity, but also has corresponding offices in Beijing, Shanghai and Chengdu, forming a nationwide marketing layout, and is the largest private enterprise in Golmud.