Yishang. is a large-scale backbone enterprise specializing in the production of led lightbox. sign holder series manufactured by Yishang include multiple types. And the products shown below belong to this type. During the production of YISHANG metal parts, it has gone through heat and surface treatments: hardening, induction hardening, chemical browning, and electroless nickel plating. We believe this product can fill the market vacancies in the industry. Yishang display is packed and transported in a professional and safe way.
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