... ,CE, NSF,ISO9001,SGS Joints Solvent Welding Joints Media Water/liquid Standard or Nonstandard: Standard (DIN)VALVE Dimension (mm ... pipe, fitting & valve of DIN, ASTM standard, for water supply and chemical industry, size from 20mm to 800mm. We ... 3. microelectronic industry, PCB, TFT-LCD, LED, wafer; 4. water treatment, clean water, waste water; 5. chemical, Chlor Alkaline, Copper, Aluminium, Steel; 6. ...