Cong Liang, Secretary General of the national development and Reform Commission, said at the press conference of the new China Development and Reform Office held on the 24th that the return rate of
Blister packaging is divided into four materials: PVC, PET, PS and PP. According to the nature of the materials, then they pack different things. Moreover, according to the structure, blister packag
Ministry of Commerce: novel coronavirus pneumonia is a major challenge to the current foreign trade operation. Li Xingqian, director of the Ministry of Commerce's foreign trade division, told the on
PP is polypropylene plastic
Specific gravity: 0.9-0.91g/cm3 molding shrinkage: 1.0-2.5% molding temperature: 160-220 ℃
