Han Ngok Cheng

Part of China Energy Storage Technology Development Ltd., Telefield NA, Inc. is a company that designs, manufactures, and distributes telecommunication products. The company is based in Beaverton, OR.

Part of China Energy Storage Technology Development Ltd., Huizhou Telefield Ltd. is a Chinese company that wholesales and distributes toys. The company is based in Shiwan, China.

Circuit Development Ltd. engages in property investment. The company was founded on September 7, 1993 and is headquartered in Hong Kong.

Part of Link-Asia International Medtech Group Ltd., Telefield Medical Devices Ltd. is a Chinese company that manufactures and distributes medical and health care devices. The company is based in Hong Kong, Hong Kong.

Part of Link-Asia International Medtech Group Ltd., Telefield Ltd. is an electronic products manufacturing company based in Hong Kong, Hong Kong. Established in 1992, Telefield offers one-stop-shop solutions for OEM and ODM services, including logistic management, supply chain management, and project management. The Chinese company has its R & D center and manufacturing arms in China and Taiwan, respectively. Telefield provides services such as PCB assembly, material sourcing, casing assembly, design verification, fulfillment, procurement, after-sales service, and test development capabilities. The company also focuses on social responsibilities such as community and environmental protection.