What's the difference between Shanghai Nanyang wire and Guangzhou Nanyang wire?

Different manufacturers.

1. Guangzhou Nanyang Cable Group Co., Ltd. (formerly known as Guangzhou Nanyang Cable Co., Ltd.) was established on 201,with paid-in registered capital of 770 million yuan, net assets of1200 million yuan, total assets of 2 billion yuan, tax-included sales of1500 million yuan in recent three years and tax payment of 200 million yuan in three years.

2. Nanpai Cable was founded in 1985 with a history of more than 30 years. It is a well-known trademark in China recognized by the State Administration for Industry and Commerce and a famous brand product in China evaluated by the General Administration of Quality Supervision, Inspection and Quarantine. Headquartered in Shanghai, Nanyang Cable Group is a comprehensive group enterprise integrating wire and cable manufacturing, commerce, property management and hotels. It was first established in the last century, from 193 1.