Hao Sun

Part of Western Metal Materials Co., Ltd., Xi'an Younai Special Vessel Manufacturing Co. Ltd. is a company that manufactures and distributes metal equipment and its related products. The company is based in Xi'an, China. Xi'an Younai Special Vessel Manufacturing Co. was acquired by Western Metal Materials Co., Ltd. from Xi'an Tianli Clad Metal Materials Co., Ltd. on August 10, 2010 for $3.99 million.

Western Titanium Technologies Co. Ltd. manufactures and distributes titanium material products. Its products include ingot, forging and bar, seamless tube and pipe, and plate and sheet. The company was founded on June 28, 2004 and is headquartered in Xian, China.

Kontour (Xi'an) Medical Technology Co., Ltd. engages in the research and development, production, and sales service of three types of implanted medical devices. Its products include neurosurgery products, cardiothoracic surgery products, neurospine products, and oral implant system. Its products are used in neurosurgery, skull repair, and cardiothoracic surgery. The company was founded by Li Ren Hu, Li Gong Hu and Di Yuan Huang on March 14, 2005 and is headquartered in Xi'an, China.

APT Electronics Co., Ltd. engages in the research, development, production and sales of light emitting diode (LED) packaging devices and application products. Its products include automotive, horticulture, mini LED, backlight, general lighting, and special lighting series. The company was founded by Ching Ho Chan and Guo Wei Xiao on August 30, 2006 and is headquartered in Guangzhou, China.