Qingdao NPA Industry Co., Ltd

Heat Treatment Radiant Tubes: radiant tube used in CAL, CGL heat treatment line etc, made of Cr+Ni high tem

Hydrogen Reformer Tubes: reformer tube which is used in petrochemical industry, to produce hydrogen, methanol

Cracking Furnace Tubes: cracking furnace tubes, made of centrifugal casting, which is mainly used in several

Furnace Rollers: Furnace roller used in CAL, CGL and heat treatment industry etc. With different O.D. and

Centrifugal Cast Roller: Centrifugal Cast Roller, Centrifugal Cast Tubes, Centrifugal Cast Pipes used for a

Centrifugal Cast Roller: Centrifugal Cast Roller, Centrifugal Cast Tubes, Centrifugal Cast Pipes used for a

Hot Wall Manifolds: hot wall manifolds used in the petrochemical industry(hydrogen making reformer furnace

Hydrogen Reformer Tubes: reformer tube which is used in petrochemical industry, to produce hydrogen, methanol

Cracking Furnace Tubes: cracking furnace tubes, made of centrifugal casting, which is mainly used in several

Annealing Lehr Roller: Used in Float Glass Production Line, engraving glass production line etc. including:

Cracking Furnace Tubes: cracking furnace tubes, made of centrifugal casting, which is mainly used in several

Sinking Rollers: sinking rollers, which is used in continious galvanizing line and acid pickling line, made

Hydrogen Radiant Tubes: To provide CAL and CGL used to produce cold-rolled sheet, heat treatment line with

Furnace Rollers: Furnace roller used in CAL, CGL and heat treatment industry etc. With different O.D. and

Hydrogen Radiant Tubes: To provide CAL and CGL used to produce cold-rolled sheet, heat treatment line with

Heat Treatment Radiant Tubes: radiant tube used in CAL, CGL heat treatment line etc, made of Cr+Ni high tem

Furnace Rollers: Furnace roller used in CAL, CGL and heat treatment industry etc. With different O.D. and

Heat Treatment Radiant Tubes: radiant tube used in CAL, CGL heat treatment line etc, made of Cr+Ni high tem

Sinking Rollers: sinking rollers, which is used in continious galvanizing line and acid pickling line, made

Sinking Rollers: sinking rollers, which is used in continious galvanizing line and acid pickling line, made

Furnace Roller: Furnace rollers used in CAL, CGL and heat treatment industry etc. Scope: high temperature o

Sinking Rollers: sinking rollers, which is used in continious galvanizing line and acid pickling line, made

Cracking Furnace Tubes: cracking furnace tubes, made of centrifugal casting, which is mainly used in several

Hydrogen Reformer Tubes: reformer tube which is used in petrochemical industry, to produce hydrogen, methanol

Cracking Furnace Tubes: cracking furnace tubes, made of centrifugal casting, which is mainly used in several

Furnace rollers used in CAL, CGL and heat treatment industry etc. Scope: high temperature or low temperature&

Hydrogen reformer tubes: 1: Made of centrifugal casting; 2: Material: Cr25Ni35; Cr25Ni20 with micro alloy;

Hydrogen reformer tubes: 1: Made of centrifugal casting; 2: Material: Cr25Ni35; Cr25Ni20 with micro alloy;

furnace tube made of centrifugal casting, which is mainly used in the oil refining factory and ethylene cracki

Radiant tube: 1: Made of centrifugal casting and sand casting; 2: Material: MORE2, MORE1B, NA22H, SUPPER22H,

Hydrogen reformer tubes: 1: Made of centrifugal casting; 2: Material: Cr25Ni35; Cr25Ni20 with micro alloy;

Hydrogen reformer tubes: 1: Made of centrifugal casting; 2: Material: Cr25Ni35; Cr25Ni20 with micro alloy;

Cracking furnace tubes: 1: Made of centrifual casting; 2: Material: Cr28Ni48; Cr25Ni35 with micro alloy;

Furnace Roller: Furnace rollers used in CAL, CGL and heat treatment industry etc. Scope: high temperature o

Sinking Rollers: sinking rollers, which is used in continious galvanizing line and acid pickling line, made

Hot Wall Manifolds: hot wall manifolds used in the petrochemical industry(hydrogen making reformer furnace

Furnace Roller: Furnace rollers used in CAL, CGL and heat treatment industry etc. Scope: high temperature o

Annealing Lehr Roller: Used in Float Glass Production Line, engraving glass production line etc. including:

Centrifugal Cast Roller: Centrifugal Cast Roller, Centrifugal Cast Tubes, Centrifugal Cast Pipes used for a

Heat Treatment Radiant Tubes: radiant tube used in CAL, CGL heat treatment line etc, made of Cr+Ni high tem