Over the years, the products have won national excellent, ministerial excellent, provincial excellent, municipal excellent, municipal famous brand products, quality trustworthy products, inspection-free products, national silver awards and provincial excellent new products. All kinds of products adopt international standards, national standards or industry standards, and are awarded the honorary title of "Advanced Unit Adopting International Standards" by Guangzhou Municipal Government. Shuangling brand wire and cable products that have obtained the certificate of "National Inspection Exemption for Product Quality" are not only famous brands in Guangdong Province, but also famous trademarks in Guangdong Province and Guangzhou City respectively, and are recognized as well-known trademarks in China. Historically, copper-core plastic wire has won the national silver award and Guangzhou famous products. Cross-linked polyethylene insulated power cables of 35KV and below were rated as high-quality products in Guangdong Province. Since 1996, it has maintained the certification qualification of ISO900 1 quality assurance system.