Shenzhen Langbo Technology Co., Ltd. is a subsidiary of Dongguan Jingcheng Electronics Technology Co., Ltd., established in the core of the Greater Bay Area, Shenzhen. It is a comprehensive enterprise that focuses on the manufacturing, research and development, and sales of electronic products such as switching power adapters, chargers, and customized safety standard power supplies. The company's manufacturing center is located in Juhua Industrial Park, Wushiling Innovation Road, Dalang Town, Dongguan City. It currently has around 150 employees with over 20 years of experience in power supply research and manufacturing.

Shenzhen Sine Electric Co., Ltd(hereinafter referred to SINEE). Was established in April 2003 with a registered capital of 64.5 million Chinese Yuan(about US$10 million).

Zaozhuang Yiding Bearing Co., Ltd. is specialized in bearing, Oil seals export, production, selling and after-service. In practice for many years, we established strict quality assurance system.

ESTOPCNC is a manufacturer, distributor and exporter of industrial master machinery and CNC machine tools in China. The company is headquartered in Dongguan city, Guangdong Province. Company by a group of in Taiwan and mainland China engaged in more than 20 years of CNC milling machine manufacturing engineers, maintenance technicians, relying on the powerful world factory location advantage and talent advantage, constantly promote the shift to China smart upgrade, made in China to intelligent manufacturing in China. Cost-effective milling machine, grinding machine, gantry processing center and other CNC machinery and equipment to the international market;

Guangzhou CYCC INDUSTRIAL Co., Ltd is located in Guangzhou, Guangdong, China, which is a leading manufacturer and supplier of specializing in 3C accessories: "Consumer Electronics, Computer, and Communication. " We offer products Such as Mobile Phone LCD/Display, Mobile Phone Flex Cable, Mobile Phone Case, Mobile Phone Spare Parts, Mobile Phone Speaker, Mobile Phone Unlock Box, Digital Camera and LCD/Flex, Computer and Notebook accessories and so on.

Guangzhou Shi Tong International Co., Ltd, subordinated to Sunyiu Technology (Hong Kong) Co., Limited. Specializing in touch screen, LCD, flex cable and keypad.