| http://www.w3.org/ns/prov#value | - HAIDA products are widely used in paper products, packaging, ink printing, adhesive tapes, bags, footwear, leather products, environment, toys, baby products, hardware, electronic products, plastic products, rubber products and other industries, and applicable to all scientific research units, quality inspection institutions and academic fields. certificate Not exactly what you want? 1 request,mul
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