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Zhejiang Shengtuo Machinery Co., Ltd
Hangzhou ELK Refrigerant High-Tech Co.,Ltd
Nanjing Leon Biotechnology Co., Ltd.
Strong Basic Enterprise Ltd.
TIANYIDA TECHNOLOGIES LIMITED
Shenzhen Yuanchen Technology Co., Ltd.
Nie-Tech Co., Ltd.
Guangzhou Lingyin Electronic Co., Ltd.
Shenzhen Taiyue Communication Cable Co., Ltd.
Tyshen Technology Co., Limited
Beijing Tengcontrol Technology Co., Ltd.
Shenzhen U-Win Electronic (China) Co., Limited