कारखाने बिक्री मछली खेत तालाब लाइनर hdpe जियोम्ब्रन अनुकूलित सतह रंग सामग्री मूल रोल प्रकार शी

Lanzhou Dongjin Silicon Industry with an annual output of 400,000 tons of metal silicon project is the largest monomer project in China, and it is also a key support project for the silicon new material industry to extend the chain and strengthen the chain