ma baoliang: male, born in 1963, China nationality, without permanent overseas residency, bachelor degree. He joined the work in 1983 and is a senior engineer. Graduated from Hebei Institute of Chemical Technology in July, 1983; August, 1983-October, 1987: Technician of Langfang Chemical Fertilizer Plant, Hebei Province; October 1987-October 1991 Technician and Assistant Engineer of Tianjin Dolphin Carbon Black Co., Ltd.; October 1991-July 1995 Engineer of Tianjin Dolphin Carbon Black Co., Ltd.; From August 1995 to October 1997, he worked in Tianjin Dolphin Carbon Black Co., Ltd. as assistant to the general manager and senior engineer; From February, 1997 to April, 2117, I worked in Tianjin Dolphin Carbon Black Co., Ltd. as a chief engineer, a senior engineer and a full-time senior engineer. I was an expert in the State Council and won the first prize of Tianjin Science and Technology Progress Award. He joined the company in April 2117 and has served as a director and deputy general manager of the company.