Why is the connection point of 32-pin larger than that of 28-pin?

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Monitoring System of Dongguan Donghu Garden Community

Monitoring System of Xinshagang Zhonggu Oil Company in Machong

Dongguan Hongye Electronic Integrated Wiring Project

Intelligent Monitoring Project of Dongguan Haichang Wharf

Dongguan Zhonghailong Wireless Network Project

System engineering of intelligent community in the first city of Jiangnan, Dongguan

Monitoring System of Villa of Machong People's Court

Monitoring System of Shantun Industrial Zone in houjie town

Wireless network system of Dongguan Better Life Group Co., Ltd.

Wireless Network System of Dongguan Better Life Industrial Park

Houjie Fu Sheng monitoring system, group telephone system and network system.

Shipai Town People's Town Government Monitoring System

Hongmei Town Government Video Monitoring System

Integrated Cabling System of Internet Service Resource Network in Singapore

Optical fiber network project of Green Tree Inn Hotel in Dongguan

Dongguan Wei Liang International Optical Fiber Network Project

Sinotrans Oasis International Express Co., Ltd.: network integrated wiring project, voice jumper, group telephone project, network computer room, tandem communication project, super-category 5, optical fiber project, monitoring project, attendance and access control system project.

Comprehensive Wiring Project of Sinotrans Europe Xi Ai Hu Si Gate Branch

Comprehensive Wiring Project of Sinotrans Ou Ai Ping Branch Company

Comprehensive Wiring Project of Sinotrans Europe Xi Aisitangxia Branch

Closed-circuit monitoring project of Jinwei hardware products factory in the United States

Dongguan Jinwei network integrated wiring, network cable, Guangzhou Sitong Communication Equipment Company -3M connector, 3M junction box module, 3M module series, 3M module, group telephone project.

Dongguan Chashan Fu Hong Garment Factory closed-circuit monitoring project, group telephone project, network integrated wiring project.

Integrated network wiring project of Dongguan headquarters of SF Express Co., Ltd.

Closed-circuit Monitoring Project of Dongguan Cheng Nan Transfer Station of SF Express

Closed-circuit monitoring project and infrared anti-theft project of Dongguan Shijie Yuanli Electronics Co., Ltd.

New Optical Fiber Network Project of Tangxia Station in Dongguan

Optical fiber network project of Dongguan Tangxia Baofa Paper Factory

Telephone Project of Dongguan Daojiao Jincheng Group

Group telephone project of China Telecom Ai En Technology Co., Ltd.

Closed circuit monitoring project of Dongguan Sanyi Automobile Co., Ltd.

Closed-circuit Monitoring Project of Dongguan Xinya International Education Institution

Wireless network project of Dongguan Better Life Communication Equipment Co., Ltd.

Wireless Network Project of Dongguan Better Life Industrial Park

Wireless network engineering in Westburg, USA

Optical fiber network project of Dongguan Xufuji Food Group

Closed-circuit monitoring project of Dongguan University of Technology auditorium

Parking lot monitoring project of Dongguan Donghu Garden Real Estate Co., Ltd.

Closed-circuit monitoring system of Dongguan Yuanfa Paper Factory

Integrated Wiring Project of Dongguan Shiwei Software Technology Co., Ltd.

Closed-circuit monitoring project of Huazhi wine shop of Dongguan Wuliangye Group

Dongguan Wuliangye Group Huazhi Wine Shop Public Broadcasting Project

Dongguan Nokia Network Integrated Wiring Project

Closed-circuit monitoring project of Dongguan Mayong Daylight Company

Access Control System of China Petrochemical Cheng Nan Branch

Closed-circuit monitoring system of Dongguan Zhenqiu Hardware Factory

Closed-circuit monitoring project of Dongguan Vanke Property Management Co., Ltd.

Dongguan Development Bank

Dongguan Commercial Bank

Access Control Attendance System of Dongguan (Wuxi) Macbian Company

Dongguan Runmin Home Furnishing Trade Market Monitoring System

Dongguan Shatian Hong Ying Machinery Hardware Factory

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