1, excellent electrical insulation properties 2, excellent thermal and chemical resistance 3, machining performance Electricity boards (orange, black): also known as plastic wood, phenolic laminated cardboard. Insulation impregnated paper impregnated with...

1.HW Drill Pipe by weiling 2.Internal Upset Transit area 3.Equipped with Make &Break Machine,cold rolling of the threads The first place domestic sale,the top three place global sale 1.OD: 2 3/8", 2 7/8", 3 1/2", 4" ,4...

1. Seamless cold rolling precison steel tube 2. with very good tolerance 3 OD size range10~60mm 4 Tolerance is +/-0.1mm We are original manufacturer , we supply tubes with high quality. Our company are produce seamless steel tubes, if any thing I can...

1, excellent electrical insulation properties 2, excellent thermal and chemical resistance 3, machining performance Electricity boards (orange, black): also known as plastic wood, phenolic laminated cardboard. Insulation impregnated paper impregnated with...

1.Certificate:ISO9001 2.ID:25mm~40mm 3.OD:According your requirmeny 4.Material:20#,45#,16Mn,27SiMn Steel Application:Used in oil,gas or fluid,Construction,Electricity,Machine building industy,Chemical industy,Petroleum,Traffic. etc.Package,shipment and...

1, excellent electrical insulation properties 2, excellent thermal and chemical resistance 3, machining performance Electricity boards (orange, black): also known as plastic wood, phenolic laminated cardboard. Insulation impregnated paper impregnated with...

1.high quality,unique selection 2.special intermediate frequency heat treatment technique 3. API SPEC7-1 4.UT&MPI 1.High quality,Unique selection,Strict quality control system2.API SPEC7 & NS-1 standard3.Special intermediate frequency heat...

1.high quality,unique selection 2.special intermediate frequency heat treatment technique 3. API SPEC7-1 4.UT&MPI 1.High quality,Unique selection,Strict quality control system2.API SPEC7 & NS-1 standard3.Special intermediate frequency heat...

1. Seamless cold rolling precison steel tube 2. with very good tolerance 3 OD size range10~60mm 4 Tolerance is +/-0.1mm We are original manufacturer , we supply tubes with high quality. Our company are produce seamless steel tubes, if any thing I can...

1. Seamless cold rolling precison steel tube 2. with very good tolerance 3 OD size range10~60mm 4 Tolerance is +/-0.1mm We are original manufacturer , we supply tubes with high quality. Our company are produce seamless steel tubes, if any thing I can...