13 billion yuan! Annual production capacity 7.5 billion m ²! China Science and Technology Hualian plans to lay out 11 diaphragm production bases] this time, China Science and Technology Hualian has a total investment of RMB 13 billion to build and layout 11 bases nationwide with the mode of "headquarters + base". Build 52 new large-width ultra-high-strength diaphragm production lines, with an estimated annual production capacity of about 7.5 billion m ².