Li Zhiwen, deputy director of the municipal bureau of quality supervision, went to investigate Boqian new materials

　　On the morning of August 17, Li Zhiwen, deputy director of the municipal bureau of quality supervision, went to investigate Boqian new materials, accompanied by our deputy chief executive sun Ling long and other relevant persons.

　　Director Li visited our exhibition hall on the first floor. Subsequently, a symposium was held to put forward suggestions and opinions on the quality control of our nanometer metal powder products.

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