хятад шавар нунтаглагч
Өндөр нарийвчлалтай босоо давхар дискэн нунтаглах … · Хятад улс has a large market demand for high-precision precision parts and high-precision grinding machines, and there is a big gap between Хятад улс and foreign countries, шиг Europe, America and Japan.T here are few domestic manufacturers of high-precision ...