Tianyancha App shows that recently, China Tungsten and HighTech Materials (000657) underwent industrial and commercial changes, with registered capital increasing from around 1.075 billion RMB to around 1.398 billion RMB. China Tungsten and HighTech Materials Co., Ltd. was established in March 1993, with Li Zhongze as the legal representative, engaging in the operation of research, development, production, sales, and trading of hard alloys and colored metals such as tungsten, molybdenum, tantalum, niobium, and their deep processing products and equipment. Shareholder information indicates that the company is jointly held by Minmetals, Guoxin Investment Co., Ltd., Hong Kong Central Clearing Co., Ltd., and others.