... ,PVC-C,PP-H,PP-GF 3.Standard:DIN, JIS, ANSI, BS screw 4.Certificate:CE, ISO9001:2008 1)Name: plastic screw2 ... ,PP-GF3)Sizes: M6-M20,T12-T204)Standard: DIN; CNS; JIS;ANSI;BS5)Certificate: CE, ISO9001:20086)High quality,Clear, light ... , engineering of Recycled water, Aquatic Culture, civil using Construction. plastic screw