Description

ues?
1?used all feilds in military and civilian?instead of the original metal complexes,such as steel.reduce weight and increase the intensity
2?manufature skelp and mechanical parts,instead of the original metal parts,because it is corrosion resisting,improved service life.
attention?
when the ambient temperature five below zero,can transport with ordinary vehicles,when the the ambient temperature twenty over zero,need refrigerated truck transport,the temperature of refrigerate is from five below zero to ten over zero.