Qing Song Liu

Xuyu Optoelectronics (Shenzhen) Co., Ltd. engages in the research, development, production, and sale of LED packaging devices. Its products include general lighting sources, ultraviolet light sources, visible light full-spectrum light sources, plant light sources and infrared light sources. The company was founded by Jin Tian Lin and Zhong Shi Gan on October 20, 2010 and is headquartered in Shenzhen, China.

Z&F Cultural Construction Co., Ltd. engages in the provision of solutions for the architectural acoustic engineering of cultural buildings such as theaters and concert halls. Its architectural acoustic engineering technology includes architectural acoustics, electro acoustics, noise and vibration control, acoustic measurement, computer simulation, and scale model technology. Its activities also include acoustic decoration engineering design and construction; architectural acoustic design and evaluation; exhibition engineering design and construction; consultancy services for theater construction; multi-purpose theater general contracting; and theater construction investment and operation management. The company was founded on June 29, 2000 and is headquartered in Shenzhen, China.

Part of GAD Environmental Technology Co., Ltd., Shenzhen Zhonglan Huanneng Co., Ltd. develops steam water separation devices. The company is based in Shenzhen, China. The Chinese company was founded in 2018. The CEO is Li Cao.