Which one is better, Shenzhen Sanxin Curtain Wall Engineering Co., Ltd. or Zhejiang Zhongnan Curtain Wall Co., Ltd.?

Personally, I think Samsung is better, and Sanxin ranks among the top companies in China's curtain wall industry.

Shenzhen Sanxin Curtain Wall Engineering Co., Ltd., formerly known as "Shenzhen Sanxin Special Glass Technology Co., Ltd.", is a subsidiary of AVIC General Aircraft Company, a subsidiary of China Aviation Industry Corporation. The company was founded in June 1995. After more than ten years of development, it was listed on the A-share market of the Shenzhen Stock Exchange in August 2007. The stock code is: 002163. The stock abbreviation is: "AVIC Sanxin". It is a subsidiary of the Aviation Industry Corporation of China. One of the twenty-four listed companies, it is a key development enterprise of the new materials sector of AVIC.

Zhejiang Zhongnan Curtain Wall Co., Ltd. was formerly Zhongnan Curtain Wall Engineering Company within Zhejiang Zhongnan Construction Group Co., Ltd. Zhongnan Group is a national special-grade construction enterprise founded in 1984 with a registered capital of 308 million yuan and 8,609 employees. It is one of the three excellent enterprises in Zhejiang Province, an advanced construction enterprise in Zhejiang Province, and one of the top 500 private enterprises in the country. Curtain wall engineering began to develop in 1995. After more than ten years, it has obtained national first-class qualifications and first-class design qualifications. Projects are spread all over the country and overseas. Many projects have won the "Luban Award", "National Gold Award", "Qianjiang Cup" ", "Zhejiang Province Excellent (Curtain Wall) Engineering Award", "Zhejiang Province Excellent (Curtain Wall) Design Award" and many high-quality engineering awards from other provinces and cities. Ranked among the best in the industry nationwide.