Guangzhou Huiyun Science & Technology Co., Ltd was founded in 2002. The company is focusing on the design, self-research and develop and marketing. Through over 20 years developing, the company has grown up as a professional self-R&D, self-manufacture, self-trading & marketing and self-import-export

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Shanghai Linbel Instrument Co., Ltd. is a professional manufacturer focusing on the development, production and sales of teaching instruments. It mainly produces organic synthesis devices, rotary evaporators, double-layer glass reactors, micro melting point measuring instruments, circulating water

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