Shenzhen yichengda Industrial Co., Ltd. marketing department   

        posterland Co., Ltd. is a development, production, sales solder materials and related chemical products professional manufacturers, through the ISO9001 international quality system and ISO14001 international environmental management system certification, with solder paste, tin line, tin stick, fluxing agent as the main products, tries their best to build quality and good international brand, has occupied a space for one person in the domestic and foreign markets.
       
        adhering to the "equal" and the development of the concept of environmental protection, research and development of the company has been committed to lead-free solder. Set up to Dr. Ma Xin was the director of the "brazing materials and technology R & D center", and cooperation with Harbin Institute of Technology to establish welding doctoral workstation, gathered a group of experts and scholars, take the market demand as the goal, take the lead in carrying out the system of scientific research in China, to build a new generation of lead-free products, dedicated to green electronics assembly Lian industry source.

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