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Bazhou Wanxin Industrial and Trading Co.,Ltd
Mayvin Optical Instrument Co., Ltd.
Nanjing Huamai Technology Co., Ltd
Shenzhen Siruijingda Precision Instrument Co., Ltd
Guiyang Xintian OETECH Co., Ltd
Shijiazhuang Xinweite Building Materials Co.,Ltd
Forfuture Electron Technology Co.,Limited