Beijing Jiepu Trend Technology Co. , Ltd is a professional manufacturer . It is devoted to researching, producing, processing and selling crystals of lasers, such as Nd:YAG 、 Cr 4+:YAG 、 Er :YAG 、 and Yb :YAG 、 Nd:YVO4 、KTP、Bonding crystals、Sapphire 、Laser safe glasses etc ...
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