![]() Qingdao Topscomm Communication Qingdao Topscomm Communication (青岛拓普通信) is a manufacturer of electronic equipment. | ![]() Shenzhen SDG Group Shenzhen SDG Group (深圳市特发集团有限公司, also known as Shenzhen Special Economic Zone Development Group, SDG) is a provider of industrial development and business model services. | ![]() China Marine Information Electronics China Marine Information Electronics (中国船舶重工集团海洋防务与信息对抗股份有限公司) is a developer, manufacturer, and seller of special electronic equipment. | ![]() Curvalux Curvalux is a company that develops fixed wireless access technology and multibeam phased-array antenna systems. | ||
Founding Date | Founding Date 2008 | Founding Date 1981 | Founding Date 2000 | Founding Date 1993 | Founding Date 2018 |
Type | Type Public | Type Private | Type Public | Type Public | Type Private |
Tags | |||||
Locations | Locations Qingdao Shi, CN HQ | Locations Shenzhen, CN HQ | Locations Zhengzhou, CN HQ | Locations Beijing, CN HQ | |
Employees | Employees 3,19927% decrease | Employees 13 | Employees 1,216 | Employees 3,618 | Employees 90 |
Valuation ($) | Valuation ($) N/A | Valuation ($) N/A | Valuation ($) 580.7 m | Valuation ($) 3.2 b | Valuation ($) N/A |
Financial | |||||
Revenue (est.) | Revenue (est.) ¥1.4b (FY, 2025) | Revenue (est.) N/A | Revenue (est.) ¥1b (FY, 2025) | Revenue (est.) ¥3.5b (FY, 2025) | Revenue (est.) N/A |
Cost of goods | Cost of goods ¥1.1b (FY, 2025) | Cost of goods N/A | Cost of goods ¥601.7m (FY, 2025) | Cost of goods ¥2.7b (FY, 2025) | Cost of goods N/A |
Gross profit | Gross profit ¥371.6m (FY, 2025) | Gross profit N/A | Gross profit ¥450.4m (FY, 2025) | Gross profit ¥792.3m (FY, 2025) | Gross profit N/A |
Net income | Net income (¥636.6m) (FY, 2025) | Net income N/A | Net income ¥250.6m (FY, 2025) | Net income ¥140.1m (FY, 2025) | Net income N/A |

Shenzhen SDG Group (深圳市特发集团有限公司, also known as Shenzhen Special Economic Zone Development Group, SDG) is a provider of industrial development and business model services.
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