In last year,we produced pipe spools for Saudi Arabia client.Our pipe spools are used for their pump systems.Their quality requirement is very high.Before delivery,they arrange engineer to check quality very carefully. Haihao Group produced pipe spools for Saudi Arabia client After delivery,our sale ...

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In order to guarantee good quality of material and issue EN10204 3.2 certificate,our company test yield strength,tensile strength and elongation in laboratory,BV witness the testing.The main material is A420 WPL6,A350 LF2 and 304L. These tests are destructive.Prior to test,we prepare sample pieces a ...

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BV witness Haihao Group process EN10204 type 3.2 certificate testing for TOP 500 companies. The main products are pipe fittings and flanges.Hardness is one important testing of mechanical property. The main testing methods of hardness are brinell hardness(HB),rockwell hardness(HR) and vickers hardne ...

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BV witness Haihao Group process EN10204 type 3.2 certificate testing for TOP 500 companies. The famous German company placed order to Haihao Group in this month,they asked BV to check quality.The BV engineer will work one week in our factory.They have two main works.One is to check the specification ...

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Haihao Group attended the Tube & Wire Dusseldorf 2018 in Germany during 16-20 Apr.2018 Tube  Dusseldorf is the world’s most important trade fair for the tube and tube processing industry and the central hub for international business.There are more than 31,000 trade visitors from 134contri ...

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Our company will go to Germany to attend Tube Dusseldorf from 16th to 20th April 2018. Tube  Dusseldorf is the world’s most important trade fair for the tube and tube processing industry and the central hub for international business.There are more than 31,000 trade visitors from 134contries attend ...

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US impose tariffs on imports of steel and aluminum in this month. How much effect to pipe spool and pipe fabrication market? Pipe spool fabrication in Haihao Group Our products are steel spools and pipe fabrication.US is developed country,their infrastructure of pipeline is completed,new purchasing ...

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The QC engineer from Nigeria visited our company,their main work is supplier auditing.We can manufacture high quality pipeline products,like steel pipes,flanges,pipe spools,pipe fabrication,pipes and so on. They are EPC company for oil and gas,they also have branch company in UAE and USA. Technical ...

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Pipe spools are fabricated by flanges,pipes and pipe fittings.In common,the end is flange. It’s more convenient for installation and replacement;it doesn’t need any welding works.The pipeline could be jointed together by flanges.In this way,it could save much time and cost. Pipe spools w ...

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Saudi Arabia water works projects products is finished and shipped in Haihao Group. Haihao Group is professional manufacturer of pipe spools and pipe fabrication. Pipe spool fabrication used for water works projects This project includes pipe spool,bind flange,pipe with flanged branch,pipe fabricati ...

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