xianyang sanjing technology co,.ltd was founded in 1997,and listed the national equities exchange and quotations in July,2016,the main products are the multifunctional rubber processing auxiliary,rubber products and industrial rubber roller, the sanjing' chemical business decision is specialized in research ?and development of the agent of rubber process.depending on the northwest rubber and plastics research and design institute co,.ltd. we cooperate with qingdao university,south china university of technology and beijing university of technology and beijing university of chemical technology