Sha Ruihua: Male, 56 years old, high school education, from Nantong, Jiangsu. I have been engaged in the labor protection dipping industry for 22 years, and have received guidance from Professor Wei Bangzhu in my early years. I am skilled in domestic and foreign sales of products in China, including Xingyu, Dengsheng, and Dongda brand series. Be familiar with the certification cognition and production process of European standard and American standard dipping process products (have guided the production of dipping gloves in Argentina, India, Türkiye, Thailand and other factories), especially the development of Sythomar nitrile latex series, such as ATG foaming, China ultra-fine foaming, long tube ultra soft three times dipping and sanding, football grain, fake sanding, Sythomar wrinkles, cotton blue and yellow Ding personal process promotion, self developed a complete set of data, put it into production and won the recognition of customers at home and abroad