甲供材料管理
management of material supplied by Party A
材料供应
domestic design and manufacture
Material supply
原材料供应
The supply of raw materials
复合塑料材料
composite plastic material
环境友好塑料材料
environmental friendly plastics material
木塑料材料辐照
wood plastics material irradiation
木-塑料材料辐照
wood plastics material irradiation