據統計，2020年7月份中國棕剛玉生產商開工率(lv)為20.75%，環比(bi)下降21.07%，同比(bi)下降24.71%。

2019-7至2020-7中國棕剛玉生產商開工率月度統計（%）

2020年7月份，廣西棕(zong)(zong)剛(gang)玉生產商開工(gong)率(lv)(lv)為(wei)(wei)(wei)43.5%，環(huan)(huan)比(bi)(bi)增長3.57%，同(tong)(tong)比(bi)(bi)下(xia)降27.50%；貴州(zhou)棕(zong)(zong)剛(gang)玉生產商開工(gong)率(lv)(lv)為(wei)(wei)(wei)30.89%，環(huan)(huan)比(bi)(bi)下(xia)降5.91%，同(tong)(tong)比(bi)(bi)下(xia)降24.12%；山西棕(zong)(zong)剛(gang)玉生產商開工(gong)率(lv)(lv)為(wei)(wei)(wei)40.93%，環(huan)(huan)比(bi)(bi)持(chi)平，同(tong)(tong)比(bi)(bi)下(xia)降5.41%；河南棕(zong)(zong)剛(gang)玉生產商開工(gong)率(lv)(lv)為(wei)(wei)(wei)10.79%，環(huan)(huan)比(bi)(bi)下(xia)降35.43%，同(tong)(tong)比(bi)(bi)下(xia)降25.69%。