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Secondary holding
Yunnan Precious Metals Laboratory Co., Ltd
Sino-Platinum Test Tech（Yun Nan）Co.,Ltd.
Sino Platinum Metals
(Shanghai)Co.,Ltd.
Sino-Platinum Metals
（Yong xing） Resources Co.,Ltd.
Sino-Platinum Gold (Yunnan)Co., Ltd.
Sino-Platinum Metals
Resources (Yimen) Co.,Ltd.
Sino-Platinum Electronic Materials (Yunnan) Co.,Ltd.
Sino-Platinum Functional Materials(Yunnan) Co.,
Ltd
Sino-Platinum Metals Semiconductor Materials
(Yunnan)Co,.Ltd.
Sino-Platinum Metals Chemical (Yunnan) Co.,
Ltd.
SINO-PLATINUM Metals Longsun (SHANGHAI) New MATERIALS Technology Co., Ltd.
Sino-Platinum Industrial Catalyst(Yunnan) Co.,
Ltd.
Kunming Sino-Platinum
Metals Catalyst Co.,Ltd.
Yongxing Guiyan Testing
Technology Co., Ltd
......
Three-tier holding
SINO-PLATINUM METALS (SINGAPORE) PTE. LTD.
KUNMING PRECIOUS MATERIALS &
TECHNOLOGY CO.,LTD
Sino-Platinum Powder Materials (Shanghai) Co., Ltd.
Sino-Platinum Biomaterials (Shanghai) Co., Ltd.
Sino-Platinum New Energy Technology
(Shanghai) Co., Ltd.
Sino-platinum Metals Advanced & New Materials (shanghai) Co.,Ltd.
Sino-Platinum Metals Refining Technology
(Yunnan) Co., Ltd.
Sino-Platinum Recycling Technology (Yunnan)
Co., Ltd.
Sino-platinum Metals Catalyst(Dongying)Co.,Ltd
......
IPM
Graduate school