Chao Du

China Fire & Security Group, Inc. is engaged in the designing, development, manufacturing and sale of fire protection products and services for industrial customers. It designs and installs fire protection systems, including detectors, controller, fire alarm control and network supervisory systems, fire safety monitoring center systems and remote customer service systems. The firm also offers fire extinguishing systems, such as water mist, anti-false-spray water spray and gas-based and foam-based fire extinguishing systems, as well as portable and transportable fire extinguishers and high pressure cylinders. The company was founded by Weigang Li and Brian Lin in 1995 and is headquartered in Beijing, China.

Part of PacificNet, Inc., Beijing Linkhead Technologies Ltd develops and provides software, platforms and solutions for interactive voice response, voice portal, color ring back tone, mobile chatting and other mobile value-added services. The company is based in Beijing, China. Beijing Linkhead Technologies was acquired by PacificNet, Inc. on December 17, 2003 for $5.01 million. The Chinese company was founded by Brian Lin.

Jade Value Acquisition Corp. is a blank check company, which engages in seeking a merger, capital stock exchange, asset acquisition, stock purchase, reorganization, or similar business combination with one or more businesses. The company was founded on April 9, 2021 and is headquartered in Beijing, China.

WeiHai Creditfan Ventilator Co., Ltd. engages in the research, development, design, manufacture, and sale of ventilation and air handling system equipment. It offers ventilators, ventilation and cooling systems, rail transit ventilation and cooling equipment, energy ventilation cooling equipment, offshore engineering and ship fans, cooling towers and air cooler fans, cooling fans, and related accessories. The company was founded on September 19, 2001 and is headquartered in Weihai, China.

Hai'an Rubber Group Co., Ltd. engages in the research and development, manufacture, and sale of giant all-steel construction machinery radial tires. It is also involved in the operation and management of mining tires. The company was founded on December 29, 2005 and is headquartered in Lianyou, China.