青云翻译

When the technical specifications of materials and related technology required is not clear mission, we need both supply and demand for communication

When the technical specifications of the materials and associated technical requirements when no setp, we need to communicate both supply and demand

When to material technical specification and correlation specification unclear xi, we need supply and demand both sides to carry on the communication exchange

When the technical specifications for materials and related technical requirements are not clear, we need to communicate both supply and demand

When the technical specifications of the materials and associated technical requirements when no setp, we need to communicate both supply and demand