Plug Valve,stainless steel plug valve,Characteristics of Plug Valves Chongqing Xingjida Import and Export Trade Co., Ltd. , https://www.xjvalvestem.com
Jiang Hongtao, who was an apprentice at the age of 14, has worked hard in the sewing machine needle industry for more than 40 years. He trained every process in production, and used his spare time to study technology and learn cultural knowledge, so that he grew from an ordinary worker to a workshop director and mechanical engineer. He used the knowledge he had learned in production and worked enthusiastically on technical cooperation. He therefore served as the deputy director of the Shanghai Sewing Machine Needle 2 Factory Technical Co., Ltd., and also set off a vigorous technological innovation boom in the factory. Many "strange needles" are more out of him