亚洲无码中字_亚洲欧美一级夜夜爽视频_久久都是精品国产_国产麻豆一精品一av一免费

Top 20 positions increased and decreased varied, the purchase volume is more than the holding position.

Recently, the price of silicocalcium, the raw material of silicon calcium cored wire, fell by 800 to 1,000 yuan per ton in various specifications or so. Due to the larger drop, some core wire manufacturers made a certain adjustment on their offers of silicon c...

2019 UMK Manganese Ore Quotation Statistics Table

2019 South 32 Manganese Ore Quotation Statistics Table

2019 Main Stream Manganese Ore Mining Quotation Table

In this week, with the increase of capacity of downstream steel mills, the demand for cored wire increased slightly. The demand for silicon calcium cored wire, seamless metal calcium cored wire, solid pure calcium cored wire and ferrotitanium cored is stable a...

Recently, the nodularizer cored wire market is getting better and order of some manufacturers has increased because the operation of downstream foundry works is stable. The price of rare earth magnesium silicon, the raw material remains stable so that the pric...

Recently, the market demand for solid pure calcium cored wire is stable. The manufacturers are normal in operation and delivery. The prices of metal calcium wire and metal calcium particle, the raw materials, have no obvious fluctuation for several months. For...