invest 21.3 billion! jinneng chemical’s degradable plastic and new material project started
latest news: on july 20, qingdao advanced polymer and metal materials industrial park officially started construction. seven projects with a total investment of about 77.2 billion yuan were started in dongjiakou economic zone, west coast new area, qingdao. the 7 projects include chengzhi co., ltd.’s new material and liquid crystal monomer project, china national rubber…
