on may 6, the peibei economic development zone in peixian county, jiangsu province held a centralized signing ceremony for major industrial projects. it is reported that the six projects signed this time are hejingfeng energy's annual production of 40,000 large-diameter quartz crucibles, jin hongyuan's annual production of 40,000 large-diameter quartz crucibles, and dexin's annual production of 4,000 tons of ultra-high-purity synthetic quartz sand. project, sanhe jingrui project with an annual output of 80,000 large-diameter quartz crucibles, danxue's annual output of 15,000 tons of high-purity quartz sand, and jiangsu date project with an annual output of 60,000 large-diameter quartz crucibles. the total investment of these six projects is 2 billion yuan.
