Associate Researchfellow， Guangdong Association of Sludge Industry

Deputy Director， Guangdong Solid Waste and Chemicals Environmental Management Center

Professor-level Senior Engineer， The Pear River Hydraulic Research Institute

Chief Technology Officer， Beijing Capital Sludge Disposal Technology Co., Ltd.

Director， Guangdong Institute of Modern Agricultural Equipment

Deputy General Manager， Guangdong Jinhaoxuan Environmental Engineering Equipment Technology Co., Ltd.

General Manager， Guangzhou Kaicheng Drying Equipment Co., Ltd.

Director， Environmental Protection Equipment Division of Guangdong Machinery Research Institute

Manager， General Treatment Environment (Beijing) Co., Ltd.

Director， Guangdong Institute of Modern Agricultural Equipment