Hebei Haihao Group Premium Pipeline Equipments Co., Ltd.
Active Member
3 Years
hebei, cangzhou
Since 2010
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Steel Pipe Elbow
Carbon Steel Elbow
Stainless Steel Elbow
Weld Neck Pipe Flanges
Steel Plate Flanges
Slip On Pipe Flanges
Socket Weld Pipe Flanges
Blind Pipe Flanges
Threaded Pipe Flange
Carbon Steel Tees
Stainless Steel Tee
Carbon Steel Reducer
Stainless Steel Reducer
Steel Pipe Cap
Steel Pipe Fittings
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PRODUCT CATEGORIES

Steel Pipe Elbow

 (84)

Carbon Steel Elbow

 (88)

Stainless Steel Elbow

 (50)

Weld Neck Pipe Flanges

 (68)

Steel Plate Flanges

 (60)

Slip On Pipe Flanges

 (34)

Socket Weld Pipe Flanges

 (24)

Blind Pipe Flanges

 (22)

Threaded Pipe Flange

 (14)

Carbon Steel Tees

 (80)

Stainless Steel Tee

 (16)

Carbon Steel Reducer

 (40)

Stainless Steel Reducer

 (16)

Steel Pipe Cap

 (22)

Steel Pipe Fittings

 (44)

Why Can We Always Ensure Excellent Quality

Quality Control

The production process of pipe fittings mainly includes forming, heat treatment, bevelling, surface treatment, non-destructive testing, marking, packing.

Different pipe fittings have different forming methods.

Seamless pipe fittings are pipe cutting. The process flow is cutting, bulge-forming, end-cutting, heat treatment, bevelling, surface treatment, non-destructive testing, marking, packing.

Welded pipe fittings are plate cutting. The process flow is cutting, press-forming, trimming, welding, bevelling, surface treatment, non-destructive testing, marking, packing.

Ductile cast iron pipe fittings are casting. The process flow is pre-expand beads, model shaping, bond&model form, coat painting, model lay box, molten iron melting, nodular treatment, pouring, polish&clean, zinc paint spray, mechanical machining, hydraulic press test, cement lining, bituminous paint externally, finished products packing.

Quality Inspection：

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