... API 5L, ASTM A106/A53, JIS G3456/3461 , DIN1626/1629/17175 Certificate:ISO 9001, SGS, BV, etc. JIS G3454 Seamless Steel Pipe For ... , papermaking, chemical, medical equipment, boiler heat, exchanger, gas metallurgy, Surface Black painting, varnish,FBE, 3PE,etc.PackagePlastic ... export experience, sincere service4. Reliable forwarder, 2-hour away from port.2. Production3. Testing4. Marking5. Packing and ...