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Categories of products
Thermoweld Apparatus
Heating Device
Cutting Machine & Economizer
Qxygen Gauge & Regulator
Japan Large, Medium-Sized Pipe Meters
Various Medical Oxygen Gauges
Aluminum, Steel Oxygen Cylinder
CO2 Gauge for Beer and Weeds
CO2Heating Ammeter
Galvanized Stainless Steel Regulator
Small Regulator
Rubber Tube (Double Color Tube)
Assembling Appliances
Burners
Capacity Meter & Manometer
Breaking and Replacing Valves & Tee Valves
Connection Tubes of Steel Cylinder, Steem Appliances
Copper Bolts and Nuts
Steel, Aluminum Cylinder(O2-AC)
Caps of the Cylinders
Copper Joints
Melting and Cutting Tools, Trolleys
Automatic Cutting Machine, Pipe Cutting Pant
Graphite Handles, Electric Welding Machine
Electro-ion Cutting Machine
Electrode Barrels and Boxes
 
Introduction of products-Copper bolts, nuts

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Exchange joints for cylinder valves-Copper bolts, nuts, bend pipes of galvanized steel joint-Part of tee valves

Product designation: D989
Name: Female Tee valve
Specs: 4''PT

 

Product designation: D989-A
Name: Female Tee valve
Specs: 3''PT
       2''PT+1
       1''NPT+2
       6''PT+3

 

Product designation: D989-B
Name: Male Tee valve
Specs: 4''PT
      3''PT+1
      2''PT+2
      1''PT+3
      6''PT+4

Product designation: D989-C
Name: 90 degree female copper elbow
Specs: 4''PT
      3''PT+1
      2''PT+2
      6''PT+3

Product designation: D989-D
Name: 90 degree male copper elbow(4'' PT)

 

Product designation: D989-E
Name: 90 degree male copper elbow
Specs: 3''PT
       2''PT+1
       6''PT+2
 

Product designation: D989-F
Name: 90 degree male copper elbow
Specs: M16-1.5RH x W13-19RH
       M16-1.5
LH x W13-19RH
 

Product designation: D989-DZ
Name: Serial No. of ordered products
Specs: 90 degree male  elbow
 

Product designation: D989-CZ
Name: Serial No. of ordered products
Specs: 90 degree male  elbow

 

Product designation: D989-G
Name: Nut&bolt
Specs: W14.2-18thread x 14.2-18thread
       W12-1.0thread x 14.2-18thread+1

 

Product designation: D989-GZ
Name: Serial No. of ordered products
Specs: Nut&bolt

 

Exchange joints for cylinder valves-Copper bolts, nuts, screws...of galvanized steel joint

Product designation: D987-H
Name: Nut+bolt
Specs: W22-14 thread x M16-1.5 thread
       W22-14 thread  x 7/16-20 thread +1
       W22-14 thread  x 9/16-18 thread +2
       W22-14 thread  x 2''NPT+3
       W22-14 thread  x 1''NPT+4
    
  W22-14thread  x M16-1.5left thread+5
       W22-14thread  x 4''PS male+6
       W24.2-14thread  x 2''NPT+7
       W26.2-14thread  x 2''NPT+8
       W24.2-14thread  x M16-1.5thread +9

Product designation: D989-I
Name: Nut+bolt
Specs: W22.6-14 thread  x M16-1.5 thread
      
W22.6-14 thread  x M16-1.5LH+1
       W22.6-14 thread  x 7/16-20 thread +2
       W22.6-14 thread  x 9/16-18 thread +3
       W22.6-14 thread  x 2''NPT+4
       W22.6-14 thread  x 1''NPT+5
       W22.6-14 thread  x 4''PS+6
       W24.2-14 thread  x 2''NPT+7
       W26.2-14 thread  x 2''NPT+8
       W24.2-14 thread  x M16-1.5 thread +9

Product designation: D989-J
Name: Screw(Gas intake main tube)
Specs: M16-1.5RH plane +gasket
    
  M16-1.5LHplane +gasket+1
       M16-1.5RH convex +2
       7/16-20RHplane +gasket+3
       7/16-20RHconvex+4
       9/16-18RHconvex+5
       2分NPT+plane +gasket+6
       1/4 PF-convex+7

 

Product designation: D989-JZ
Name: Serial No. of ordered products
Specs: Screw(Gas intake main tube)
 

Product designation: D989-HZ
Name: Serial No. of ordered products
Specs: Nut+bolt


The above galvanized products can be pre-fabricated

Exchange joints for cylinder valves-Copper bolts, nuts of galvanized steel joint

Product designation: D989-K
Name: Stopper end(male) (female)
Specs:
W21-14RH
       W22-14RH+1
       W23-14RH+2
       7/16-20RH+3
       9/16-18RH+4
       M16-1.5RH+5
       3''-PS+6
       4''-PS+7
       6''-PS+8
       W24.2-14RH+9
       W26.2-14RH+10

Product designation: D989-L
Name: Stopper end(male) (female A)
Specs:
W21-14LH
       W22-14LH+1
       W23-14LH+2
       9/16-18LH+3
       M16-1.5LH+4

 

Product designation: D989-LZ
Name: Serial No. of ordered products
Specs: Stopper end(male)

 

Product designation: D989-M
Name: Female leakage detecting stopper end on cylinder heads

Product designation: D989-N
Name: Male leakage detecting stopper end on cylinder heads

Product designation: D989-O
Name: Copper (Galvanized steel) base of leakage detector on cylinder
              heads
       (5 1/2 ''-6''-1")

Product designation: D989-P
Name: Testing leakage prevention valve on cylinder heads

 

Import certificationP.1
Import certificationP.2
Certification of Korean steel cylinder materials
Liability insurance policy of products

 

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   Our products have been insured by Guo Tai Century Property Insurance Co., Ltd, which is the first and only case across the country, the insurance  in terms of contingent liability has reached 20 million, please rest assured for their application.
 

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