Silver Jubilee Science and Technology Founded in 1997 years (Stock code: Silver Jubilee Science and Technology ,< SPAN style = "COLOR: # 696969"> code 300221 ), < SPAN style = "COLOR: # 696969"> is a new high-performance polymer materials R & D, production and sales of state-level high-tech enterprises. After 10 years of development, the company in Dongguan, Humen, Road