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+: WHO IS Kelin? Kelin was created in 2019,A trustworthy source for PDLC smart film and glass is Beijing Kelin Electronic Products Co., Ltd.

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Add:East of Baoxin International Building, 33 Guanyun East Road, Baoding, Hebei, China

Tel:(86) 137 8524 6043
E-mail:lir838787@gmail.com

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