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Nanjing Kejie Analytical Instrument Co., Ltd.
Shenzhen Haiwang Sensor Co., Ltd.
Qinhuangdao Intrinsic Crystal Technology Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
VY Optoelectronics Co., Ltd.
Shenzhen Siyuan Digital Technology Co., Ltd.
Wuhan Joho Technology Co., Ltd.
Jinan Hope Wish Photoelectronic Technology Co., Ltd.
Nanjing Poweam Medical Co., Ltd.
GIAI PHOTONICS CO., LTD.
Foshan Sident Technology Limited
OPTECK MANUFACTURING GROUP LTD.
Xi'an Heb Biotechnology Co., Ltd.
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.