1. Beijing Tenet Technology Co., Ltd.
2. Tianjin Dingxuan Science & Industry Co., Ltd.
3. Hebei Silicon Valley Co., Ltd
4. Tianjin Guo Heng Technology Co., Ltd.
5. Nanrui Technology Co., Ltd.
These are all good performances, and they have done well in all previous large-scale bidding meetings this year. Most of the companies listed by other netizens are unknown small companies with average performance. The product quality is also average, and the products of the above-mentioned well-known manufacturers have excellent quality and good market credibility. If you need products, it is recommended to consider the above companies.