Yu Tong Xiao

Guangdong Promising Environment Protection Co. Ltd. engages in the waste power generation and other waste management business. It undertakes waste incineration power generation & waste disposal projects and make it harmless and resourceful. The company was founded on August 14, 2009 and is headquartered in Dongguan, China.

China Western Fluid Control Technology Co., Ltd. engages in the development, manufacture, and sale of high pressure and power station valves. Its products include blasting valves, reheater inlet and outlet plugging valves, superheater outlet plugging valves, piston type single exhaust steam valves, and piston type double exhaust steam valves. The company was founded on September 6, 2006 and is headquartered in Chengdu, China.

Part of China Western Power Industrial Co., Ltd., China Western Energy Env Protection Power (Zhaotong) Co., Ltd. engages in research, development and application of renewable energy technology. The company is based in Zhaotong, China. The Chinese company was founded in 2019. The CEO is Zhong Liu Ao.

Guilin GLsun Science & Tech Group Co., Ltd. engages in the production and sale of optical communication devices. It offers optical chips and components, communication chips, transistor outline can (TO-can) products, subsystem products, and passive optical devices such as optical isolators and light switches. The company was founded on October 25, 2001 and is headquartered in Guilin, China.