... 3)Excellent design and easy to di PVC Check Valve/ANSI/JIS/ISO/BS1)Standard:ANSI,JIS,DIN,ISO;2 ... Fairness to employees, customers, associates and even to competitors in our Industry;Machinery: Imported German-made Extrusion Machinery (Krauss Maffei ... Supply Projects in Asia, Africa, New Zealand, Caribbean Countries;Specialised Projects: Specialised Pipes in USA, Canada. PVC Check Valve/ANSI/JIS/ISO ...